Home / 3,155,882.28-4,354,092.02-1,930,910.78

Finding the Fourth Proportional to 3,155,882.28, 4,354,092.02 and 1,930,910.78

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Solution

The fourth proportional to 3,155,882.28, 4,354,092.02 and 1,930,910.78 is: 2,664,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,882.28 : 4,354,092.02 = 1,930,910.78 : x
  2. Step 2: Convert to fraction form
    3,155,882.28/4,354,092.02 = 1,930,910.78/x
  3. Step 3: Cross multiply
    3,155,882.28x = 4,354,092.02 × 1,930,910.78
  4. Step 4: Simplify right side
    3,155,882.28x = 8,407,363,218,529.98
  5. Step 5: Solve for x
    x = 8,407,363,218,529.98/3,155,882.28
  6. Step 6: Final answer
    x = 2,664,029.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.