Home / 3,549,126.20-5,323,689.30-990,336.20

Finding the Fourth Proportional to 3,549,126.20, 5,323,689.30 and 990,336.20

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Solution

The fourth proportional to 3,549,126.20, 5,323,689.30 and 990,336.20 is: 1,485,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,126.20 : 5,323,689.30 = 990,336.20 : x
  2. Step 2: Convert to fraction form
    3,549,126.20/5,323,689.30 = 990,336.20/x
  3. Step 3: Cross multiply
    3,549,126.20x = 5,323,689.30 × 990,336.20
  4. Step 4: Simplify right side
    3,549,126.20x = 5,272,242,231,342.66
  5. Step 5: Solve for x
    x = 5,272,242,231,342.66/3,549,126.20
  6. Step 6: Final answer
    x = 1,485,504.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,549,127.20, 5,323,690.80 and 990,337.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.