Home / 2,486,805.15-3,730,207.53-689,688.60

Finding the Fourth Proportional to 2,486,805.15, 3,730,207.53 and 689,688.60

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Solution

The fourth proportional to 2,486,805.15, 3,730,207.53 and 689,688.60 is: 1,034,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,805.15 : 3,730,207.53 = 689,688.60 : x
  2. Step 2: Convert to fraction form
    2,486,805.15/3,730,207.53 = 689,688.60/x
  3. Step 3: Cross multiply
    2,486,805.15x = 3,730,207.53 × 689,688.60
  4. Step 4: Simplify right side
    2,486,805.15x = 2,572,681,618,567.04
  5. Step 5: Solve for x
    x = 2,572,681,618,567.04/2,486,805.15
  6. Step 6: Final answer
    x = 1,034,532.85

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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.