Home / 1,913,177.13-2,869,930.92-493,221.21

Finding the Fourth Proportional to 1,913,177.13, 2,869,930.92 and 493,221.21

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Solution

The fourth proportional to 1,913,177.13, 2,869,930.92 and 493,221.21 is: 739,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,177.13 : 2,869,930.92 = 493,221.21 : x
  2. Step 2: Convert to fraction form
    1,913,177.13/2,869,930.92 = 493,221.21/x
  3. Step 3: Cross multiply
    1,913,177.13x = 2,869,930.92 × 493,221.21
  4. Step 4: Simplify right side
    1,913,177.13x = 1,415,510,800,978.81
  5. Step 5: Solve for x
    x = 1,415,510,800,978.81/1,913,177.13
  6. Step 6: Final answer
    x = 739,874.41

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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.