Home / 3,715,428.64-5,122,108.56-2,491,952.80

Finding the Fourth Proportional to 3,715,428.64, 5,122,108.56 and 2,491,952.80

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Solution

The fourth proportional to 3,715,428.64, 5,122,108.56 and 2,491,952.80 is: 3,435,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715,428.64 : 5,122,108.56 = 2,491,952.80 : x
  2. Step 2: Convert to fraction form
    3,715,428.64/5,122,108.56 = 2,491,952.80/x
  3. Step 3: Cross multiply
    3,715,428.64x = 5,122,108.56 × 2,491,952.80
  4. Step 4: Simplify right side
    3,715,428.64x = 12,764,052,767,995.97
  5. Step 5: Solve for x
    x = 12,764,052,767,995.97/3,715,428.64
  6. Step 6: Final answer
    x = 3,435,418.63

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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.