Home / 3,985,769.92-5,500,310.88-2,174,902.72

Finding the Fourth Proportional to 3,985,769.92, 5,500,310.88 and 2,174,902.72

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Solution

The fourth proportional to 3,985,769.92, 5,500,310.88 and 2,174,902.72 is: 3,001,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,769.92 : 5,500,310.88 = 2,174,902.72 : x
  2. Step 2: Convert to fraction form
    3,985,769.92/5,500,310.88 = 2,174,902.72/x
  3. Step 3: Cross multiply
    3,985,769.92x = 5,500,310.88 × 2,174,902.72
  4. Step 4: Simplify right side
    3,985,769.92x = 11,962,641,093,757.59
  5. Step 5: Solve for x
    x = 11,962,641,093,757.59/3,985,769.92
  6. Step 6: Final answer
    x = 3,001,337.59

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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.