Home / 3,969,700.48-5,479,434.24-2,251,962.88

Finding the Fourth Proportional to 3,969,700.48, 5,479,434.24 and 2,251,962.88

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Solution

The fourth proportional to 3,969,700.48, 5,479,434.24 and 2,251,962.88 is: 3,108,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,700.48 : 5,479,434.24 = 2,251,962.88 : x
  2. Step 2: Convert to fraction form
    3,969,700.48/5,479,434.24 = 2,251,962.88/x
  3. Step 3: Cross multiply
    3,969,700.48x = 5,479,434.24 × 2,251,962.88
  4. Step 4: Simplify right side
    3,969,700.48x = 12,339,482,511,881.01
  5. Step 5: Solve for x
    x = 12,339,482,511,881.01/3,969,700.48
  6. Step 6: Final answer
    x = 3,108,416.51

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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.