Home / 3,108,841.62-4,663,428.87-979,091.58

Finding the Fourth Proportional to 3,108,841.62, 4,663,428.87 and 979,091.58

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Solution

The fourth proportional to 3,108,841.62, 4,663,428.87 and 979,091.58 is: 1,468,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,841.62 : 4,663,428.87 = 979,091.58 : x
  2. Step 2: Convert to fraction form
    3,108,841.62/4,663,428.87 = 979,091.58/x
  3. Step 3: Cross multiply
    3,108,841.62x = 4,663,428.87 × 979,091.58
  4. Step 4: Simplify right side
    3,108,841.62x = 4,565,923,940,545.91
  5. Step 5: Solve for x
    x = 4,565,923,940,545.91/3,108,841.62
  6. Step 6: Final answer
    x = 1,468,689.79

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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.