Home / 2,719,546.57-4,078,876.38-800,008.78

Finding the Fourth Proportional to 2,719,546.57, 4,078,876.38 and 800,008.78

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Solution

The fourth proportional to 2,719,546.57, 4,078,876.38 and 800,008.78 is: 1,199,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,546.57 : 4,078,876.38 = 800,008.78 : x
  2. Step 2: Convert to fraction form
    2,719,546.57/4,078,876.38 = 800,008.78/x
  3. Step 3: Cross multiply
    2,719,546.57x = 4,078,876.38 × 800,008.78
  4. Step 4: Simplify right side
    2,719,546.57x = 3,263,136,899,140.27
  5. Step 5: Solve for x
    x = 3,263,136,899,140.27/2,719,546.57
  6. Step 6: Final answer
    x = 1,199,882.71

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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.