Home / 2,439,539.90-3,659,489.60-642,410.92

Finding the Fourth Proportional to 2,439,539.90, 3,659,489.60 and 642,410.92

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Solution

The fourth proportional to 2,439,539.90, 3,659,489.60 and 642,410.92 is: 963,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,539.90 : 3,659,489.60 = 642,410.92 : x
  2. Step 2: Convert to fraction form
    2,439,539.90/3,659,489.60 = 642,410.92/x
  3. Step 3: Cross multiply
    2,439,539.90x = 3,659,489.60 × 642,410.92
  4. Step 4: Simplify right side
    2,439,539.90x = 2,350,896,080,666.43
  5. Step 5: Solve for x
    x = 2,350,896,080,666.43/2,439,539.90
  6. Step 6: Final answer
    x = 963,663.71

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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.