Home / 3,126,299.60-4,690,186.56-2,489,012.72

Finding the Fourth Proportional to 3,126,299.60, 4,690,186.56 and 2,489,012.72

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Solution

The fourth proportional to 3,126,299.60, 4,690,186.56 and 2,489,012.72 is: 3,734,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,299.60 : 4,690,186.56 = 2,489,012.72 : x
  2. Step 2: Convert to fraction form
    3,126,299.60/4,690,186.56 = 2,489,012.72/x
  3. Step 3: Cross multiply
    3,126,299.60x = 4,690,186.56 × 2,489,012.72
  4. Step 4: Simplify right side
    3,126,299.60x = 11,673,934,007,013.04
  5. Step 5: Solve for x
    x = 11,673,934,007,013.04/3,126,299.60
  6. Step 6: Final answer
    x = 3,734,105.97

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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.