Home / 2,665,439.42-3,998,092.68-1,247,082.44

Finding the Fourth Proportional to 2,665,439.42, 3,998,092.68 and 1,247,082.44

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Solution

The fourth proportional to 2,665,439.42, 3,998,092.68 and 1,247,082.44 is: 1,870,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,439.42 : 3,998,092.68 = 1,247,082.44 : x
  2. Step 2: Convert to fraction form
    2,665,439.42/3,998,092.68 = 1,247,082.44/x
  3. Step 3: Cross multiply
    2,665,439.42x = 3,998,092.68 × 1,247,082.44
  4. Step 4: Simplify right side
    2,665,439.42x = 4,985,951,154,730.08
  5. Step 5: Solve for x
    x = 4,985,951,154,730.08/2,665,439.42
  6. Step 6: Final answer
    x = 1,870,592.57

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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.