Home / 2,195,929.26-3,029,691.60-1,228,905.90

Finding the Fourth Proportional to 2,195,929.26, 3,029,691.60 and 1,228,905.90

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Solution

The fourth proportional to 2,195,929.26, 3,029,691.60 and 1,228,905.90 is: 1,695,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,929.26 : 3,029,691.60 = 1,228,905.90 : x
  2. Step 2: Convert to fraction form
    2,195,929.26/3,029,691.60 = 1,228,905.90/x
  3. Step 3: Cross multiply
    2,195,929.26x = 3,029,691.60 × 1,228,905.90
  4. Step 4: Simplify right side
    2,195,929.26x = 3,723,205,882,420.44
  5. Step 5: Solve for x
    x = 3,723,205,882,420.44/2,195,929.26
  6. Step 6: Final answer
    x = 1,695,503.56

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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.