Home / 6,470,446.20-9,711,890.10-3,279,175.80

Finding the Fourth Proportional to 6,470,446.20, 9,711,890.10 and 3,279,175.80

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Solution

The fourth proportional to 6,470,446.20, 9,711,890.10 and 3,279,175.80 is: 4,921,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,446.20 : 9,711,890.10 = 3,279,175.80 : x
  2. Step 2: Convert to fraction form
    6,470,446.20/9,711,890.10 = 3,279,175.80/x
  3. Step 3: Cross multiply
    6,470,446.20x = 9,711,890.10 × 3,279,175.80
  4. Step 4: Simplify right side
    6,470,446.20x = 31,846,994,988,179.58
  5. Step 5: Solve for x
    x = 31,846,994,988,179.58/6,470,446.20
  6. Step 6: Final answer
    x = 4,921,916.36

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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.