Home / 3,942,414.09-5,439,503.31-2,309,944.35

Finding the Fourth Proportional to 3,942,414.09, 5,439,503.31 and 2,309,944.35

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Solution

The fourth proportional to 3,942,414.09, 5,439,503.31 and 2,309,944.35 is: 3,187,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,414.09 : 5,439,503.31 = 2,309,944.35 : x
  2. Step 2: Convert to fraction form
    3,942,414.09/5,439,503.31 = 2,309,944.35/x
  3. Step 3: Cross multiply
    3,942,414.09x = 5,439,503.31 × 2,309,944.35
  4. Step 4: Simplify right side
    3,942,414.09x = 12,564,949,937,740.80
  5. Step 5: Solve for x
    x = 12,564,949,937,740.80/3,942,414.09
  6. Step 6: Final answer
    x = 3,187,120.80

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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.