Home / 3,549,118.20-5,323,677.30-990,328.20

Finding the Fourth Proportional to 3,549,118.20, 5,323,677.30 and 990,328.20

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Solution

The fourth proportional to 3,549,118.20, 5,323,677.30 and 990,328.20 is: 1,485,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,118.20 : 5,323,677.30 = 990,328.20 : x
  2. Step 2: Convert to fraction form
    3,549,118.20/5,323,677.30 = 990,328.20/x
  3. Step 3: Cross multiply
    3,549,118.20x = 5,323,677.30 × 990,328.20
  4. Step 4: Simplify right side
    3,549,118.20x = 5,272,187,757,889.86
  5. Step 5: Solve for x
    x = 5,272,187,757,889.86/3,549,118.20
  6. Step 6: Final answer
    x = 1,485,492.30

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Half scale
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Double scale
Find fourth proportional to 3,549,119.20, 5,323,678.80 and 990,329.20
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.