Home / 3,109,217.32-4,663,992.92-979,468.12

Finding the Fourth Proportional to 3,109,217.32, 4,663,992.92 and 979,468.12

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Solution

The fourth proportional to 3,109,217.32, 4,663,992.92 and 979,468.12 is: 1,469,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,217.32 : 4,663,992.92 = 979,468.12 : x
  2. Step 2: Convert to fraction form
    3,109,217.32/4,663,992.92 = 979,468.12/x
  3. Step 3: Cross multiply
    3,109,217.32x = 4,663,992.92 × 979,468.12
  4. Step 4: Simplify right side
    3,109,217.32x = 4,568,232,377,045.71
  5. Step 5: Solve for x
    x = 4,568,232,377,045.71/3,109,217.32
  6. Step 6: Final answer
    x = 1,469,254.77

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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.