Home / 3,278,511.27-4,914,789.66-1,147,432.86

Finding the Fourth Proportional to 3,278,511.27, 4,914,789.66 and 1,147,432.86

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Solution

The fourth proportional to 3,278,511.27, 4,914,789.66 and 1,147,432.86 is: 1,720,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,511.27 : 4,914,789.66 = 1,147,432.86 : x
  2. Step 2: Convert to fraction form
    3,278,511.27/4,914,789.66 = 1,147,432.86/x
  3. Step 3: Cross multiply
    3,278,511.27x = 4,914,789.66 × 1,147,432.86
  4. Step 4: Simplify right side
    3,278,511.27x = 5,639,391,155,872.23
  5. Step 5: Solve for x
    x = 5,639,391,155,872.23/3,278,511.27
  6. Step 6: Final answer
    x = 1,720,107.30

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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.