Home / 2,489,375.20-3,732,680.40-991,775.20

Finding the Fourth Proportional to 2,489,375.20, 3,732,680.40 and 991,775.20

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Solution

The fourth proportional to 2,489,375.20, 3,732,680.40 and 991,775.20 is: 1,487,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,375.20 : 3,732,680.40 = 991,775.20 : x
  2. Step 2: Convert to fraction form
    2,489,375.20/3,732,680.40 = 991,775.20/x
  3. Step 3: Cross multiply
    2,489,375.20x = 3,732,680.40 × 991,775.20
  4. Step 4: Simplify right side
    2,489,375.20x = 3,701,979,850,246.08
  5. Step 5: Solve for x
    x = 3,701,979,850,246.08/2,489,375.20
  6. Step 6: Final answer
    x = 1,487,112.05

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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.