Home / 5,131,862.38-7,082,192.37-2,840,023.81

Finding the Fourth Proportional to 5,131,862.38, 7,082,192.37 and 2,840,023.81

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Solution

The fourth proportional to 5,131,862.38, 7,082,192.37 and 2,840,023.81 is: 3,919,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,862.38 : 7,082,192.37 = 2,840,023.81 : x
  2. Step 2: Convert to fraction form
    5,131,862.38/7,082,192.37 = 2,840,023.81/x
  3. Step 3: Cross multiply
    5,131,862.38x = 7,082,192.37 × 2,840,023.81
  4. Step 4: Simplify right side
    5,131,862.38x = 20,113,594,957,800.33
  5. Step 5: Solve for x
    x = 20,113,594,957,800.33/5,131,862.38
  6. Step 6: Final answer
    x = 3,919,355.87

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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.