Home / 3,868,081.40-5,337,631.50-2,125,659.17

Finding the Fourth Proportional to 3,868,081.40, 5,337,631.50 and 2,125,659.17

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Solution

The fourth proportional to 3,868,081.40, 5,337,631.50 and 2,125,659.17 is: 2,933,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,081.40 : 5,337,631.50 = 2,125,659.17 : x
  2. Step 2: Convert to fraction form
    3,868,081.40/5,337,631.50 = 2,125,659.17/x
  3. Step 3: Cross multiply
    3,868,081.40x = 5,337,631.50 × 2,125,659.17
  4. Step 4: Simplify right side
    3,868,081.40x = 11,345,985,344,055.86
  5. Step 5: Solve for x
    x = 11,345,985,344,055.86/3,868,081.40
  6. Step 6: Final answer
    x = 2,933,233.35

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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.