Home / 6,638,278.79-9,959,190.11-2,378,877.59

Finding the Fourth Proportional to 6,638,278.79, 9,959,190.11 and 2,378,877.59

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Solution

The fourth proportional to 6,638,278.79, 9,959,190.11 and 2,378,877.59 is: 3,568,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,278.79 : 9,959,190.11 = 2,378,877.59 : x
  2. Step 2: Convert to fraction form
    6,638,278.79/9,959,190.11 = 2,378,877.59/x
  3. Step 3: Cross multiply
    6,638,278.79x = 9,959,190.11 × 2,378,877.59
  4. Step 4: Simplify right side
    6,638,278.79x = 23,691,694,105,538.30
  5. Step 5: Solve for x
    x = 23,691,694,105,538.30/6,638,278.79
  6. Step 6: Final answer
    x = 3,568,951.36

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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.