Home / 3,538,972.71-5,284,455.17-2,811,144.58

Finding the Fourth Proportional to 3,538,972.71, 5,284,455.17 and 2,811,144.58

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Solution

The fourth proportional to 3,538,972.71, 5,284,455.17 and 2,811,144.58 is: 4,197,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,972.71 : 5,284,455.17 = 2,811,144.58 : x
  2. Step 2: Convert to fraction form
    3,538,972.71/5,284,455.17 = 2,811,144.58/x
  3. Step 3: Cross multiply
    3,538,972.71x = 5,284,455.17 × 2,811,144.58
  4. Step 4: Simplify right side
    3,538,972.71x = 14,855,367,482,131.62
  5. Step 5: Solve for x
    x = 14,855,367,482,131.62/3,538,972.71
  6. Step 6: Final answer
    x = 4,197,649.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.