Home / 3,868,080.40-5,337,630.12-2,125,658.17

Finding the Fourth Proportional to 3,868,080.40, 5,337,630.12 and 2,125,658.17

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Solution

The fourth proportional to 3,868,080.40, 5,337,630.12 and 2,125,658.17 is: 2,933,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,080.40 : 5,337,630.12 = 2,125,658.17 : x
  2. Step 2: Convert to fraction form
    3,868,080.40/5,337,630.12 = 2,125,658.17/x
  3. Step 3: Cross multiply
    3,868,080.40x = 5,337,630.12 × 2,125,658.17
  4. Step 4: Simplify right side
    3,868,080.40x = 11,345,977,073,016.08
  5. Step 5: Solve for x
    x = 11,345,977,073,016.08/3,868,080.40
  6. Step 6: Final answer
    x = 2,933,231.97

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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.