Home / 1,516,105.38-2,092,408.92-862,890.24

Finding the Fourth Proportional to 1,516,105.38, 2,092,408.92 and 862,890.24

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Solution

The fourth proportional to 1,516,105.38, 2,092,408.92 and 862,890.24 is: 1,190,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,105.38 : 2,092,408.92 = 862,890.24 : x
  2. Step 2: Convert to fraction form
    1,516,105.38/2,092,408.92 = 862,890.24/x
  3. Step 3: Cross multiply
    1,516,105.38x = 2,092,408.92 × 862,890.24
  4. Step 4: Simplify right side
    1,516,105.38x = 1,805,519,235,156.94
  5. Step 5: Solve for x
    x = 1,805,519,235,156.94/1,516,105.38
  6. Step 6: Final answer
    x = 1,190,892.97

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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.