Home / 5,131,882.01-7,082,219.45-2,840,043.44

Finding the Fourth Proportional to 5,131,882.01, 7,082,219.45 and 2,840,043.44

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Solution

The fourth proportional to 5,131,882.01, 7,082,219.45 and 2,840,043.44 is: 3,919,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,882.01 : 7,082,219.45 = 2,840,043.44 : x
  2. Step 2: Convert to fraction form
    5,131,882.01/7,082,219.45 = 2,840,043.44/x
  3. Step 3: Cross multiply
    5,131,882.01x = 7,082,219.45 × 2,840,043.44
  4. Step 4: Simplify right side
    5,131,882.01x = 20,113,810,861,301.92
  5. Step 5: Solve for x
    x = 20,113,810,861,301.92/5,131,882.01
  6. Step 6: Final answer
    x = 3,919,382.96

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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.