Home / 2,439,557.61-3,659,515.97-642,428.43

Finding the Fourth Proportional to 2,439,557.61, 3,659,515.97 and 642,428.43

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Solution

The fourth proportional to 2,439,557.61, 3,659,515.97 and 642,428.43 is: 963,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,557.61 : 3,659,515.97 = 642,428.43 : x
  2. Step 2: Convert to fraction form
    2,439,557.61/3,659,515.97 = 642,428.43/x
  3. Step 3: Cross multiply
    2,439,557.61x = 3,659,515.97 × 642,428.43
  4. Step 4: Simplify right side
    2,439,557.61x = 2,350,977,095,954.89
  5. Step 5: Solve for x
    x = 2,350,977,095,954.89/2,439,557.61
  6. Step 6: Final answer
    x = 963,689.93

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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.