Home / 3,863,419.13-5,331,251.67-2,144,404.32

Finding the Fourth Proportional to 3,863,419.13, 5,331,251.67 and 2,144,404.32

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Solution

The fourth proportional to 3,863,419.13, 5,331,251.67 and 2,144,404.32 is: 2,959,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,419.13 : 5,331,251.67 = 2,144,404.32 : x
  2. Step 2: Convert to fraction form
    3,863,419.13/5,331,251.67 = 2,144,404.32/x
  3. Step 3: Cross multiply
    3,863,419.13x = 5,331,251.67 × 2,144,404.32
  4. Step 4: Simplify right side
    3,863,419.13x = 11,432,359,112,155.21
  5. Step 5: Solve for x
    x = 11,432,359,112,155.21/3,863,419.13
  6. Step 6: Final answer
    x = 2,959,129.92

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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.