Home / 2,653,221.88-3,979,832.82-658,677.88

Finding the Fourth Proportional to 2,653,221.88, 3,979,832.82 and 658,677.88

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Solution

The fourth proportional to 2,653,221.88, 3,979,832.82 and 658,677.88 is: 988,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,221.88 : 3,979,832.82 = 658,677.88 : x
  2. Step 2: Convert to fraction form
    2,653,221.88/3,979,832.82 = 658,677.88/x
  3. Step 3: Cross multiply
    2,653,221.88x = 3,979,832.82 × 658,677.88
  4. Step 4: Simplify right side
    2,653,221.88x = 2,621,427,844,632.02
  5. Step 5: Solve for x
    x = 2,621,427,844,632.02/2,653,221.88
  6. Step 6: Final answer
    x = 988,016.82

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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.