Home / 3,549,117.20-5,323,675.80-990,327.20

Finding the Fourth Proportional to 3,549,117.20, 5,323,675.80 and 990,327.20

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Solution

The fourth proportional to 3,549,117.20, 5,323,675.80 and 990,327.20 is: 1,485,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,117.20 : 5,323,675.80 = 990,327.20 : x
  2. Step 2: Convert to fraction form
    3,549,117.20/5,323,675.80 = 990,327.20/x
  3. Step 3: Cross multiply
    3,549,117.20x = 5,323,675.80 × 990,327.20
  4. Step 4: Simplify right side
    3,549,117.20x = 5,272,180,948,721.76
  5. Step 5: Solve for x
    x = 5,272,180,948,721.76/3,549,117.20
  6. Step 6: Final answer
    x = 1,485,490.80

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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.