Home / 5,377,665.60-7,421,082.36-2,930,297.84

Finding the Fourth Proportional to 5,377,665.60, 7,421,082.36 and 2,930,297.84

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Solution

The fourth proportional to 5,377,665.60, 7,421,082.36 and 2,930,297.84 is: 4,043,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,665.60 : 7,421,082.36 = 2,930,297.84 : x
  2. Step 2: Convert to fraction form
    5,377,665.60/7,421,082.36 = 2,930,297.84/x
  3. Step 3: Cross multiply
    5,377,665.60x = 7,421,082.36 × 2,930,297.84
  4. Step 4: Simplify right side
    5,377,665.60x = 21,745,981,609,970.10
  5. Step 5: Solve for x
    x = 21,745,981,609,970.10/5,377,665.60
  6. Step 6: Final answer
    x = 4,043,758.62

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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.