Home / 3,781,819.13-5,672,778.05-1,257,474.38

Finding the Fourth Proportional to 3,781,819.13, 5,672,778.05 and 1,257,474.38

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Solution

The fourth proportional to 3,781,819.13, 5,672,778.05 and 1,257,474.38 is: 1,886,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,819.13 : 5,672,778.05 = 1,257,474.38 : x
  2. Step 2: Convert to fraction form
    3,781,819.13/5,672,778.05 = 1,257,474.38/x
  3. Step 3: Cross multiply
    3,781,819.13x = 5,672,778.05 × 1,257,474.38
  4. Step 4: Simplify right side
    3,781,819.13x = 7,133,373,029,007.86
  5. Step 5: Solve for x
    x = 7,133,373,029,007.86/3,781,819.13
  6. Step 6: Final answer
    x = 1,886,227.97

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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.