Home / 3,187,795.38-4,781,669.24-913,321.70

Finding the Fourth Proportional to 3,187,795.38, 4,781,669.24 and 913,321.70

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Solution

The fourth proportional to 3,187,795.38, 4,781,669.24 and 913,321.70 is: 1,369,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,795.38 : 4,781,669.24 = 913,321.70 : x
  2. Step 2: Convert to fraction form
    3,187,795.38/4,781,669.24 = 913,321.70/x
  3. Step 3: Cross multiply
    3,187,795.38x = 4,781,669.24 × 913,321.70
  4. Step 4: Simplify right side
    3,187,795.38x = 4,367,202,257,489.47
  5. Step 5: Solve for x
    x = 4,367,202,257,489.47/3,187,795.38
  6. Step 6: Final answer
    x = 1,369,975.72

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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.