Home / 2,439,538.90-3,659,488.10-642,409.92

Finding the Fourth Proportional to 2,439,538.90, 3,659,488.10 and 642,409.92

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Solution

The fourth proportional to 2,439,538.90, 3,659,488.10 and 642,409.92 is: 963,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,538.90 : 3,659,488.10 = 642,409.92 : x
  2. Step 2: Convert to fraction form
    2,439,538.90/3,659,488.10 = 642,409.92/x
  3. Step 3: Cross multiply
    2,439,538.90x = 3,659,488.10 × 642,409.92
  4. Step 4: Simplify right side
    2,439,538.90x = 2,350,891,457,561.95
  5. Step 5: Solve for x
    x = 2,350,891,457,561.95/2,439,538.90
  6. Step 6: Final answer
    x = 963,662.21

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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.