Home / 3,991,806.70-5,508,695.50-2,156,265.04

Finding the Fourth Proportional to 3,991,806.70, 5,508,695.50 and 2,156,265.04

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Solution

The fourth proportional to 3,991,806.70, 5,508,695.50 and 2,156,265.04 is: 2,975,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,806.70 : 5,508,695.50 = 2,156,265.04 : x
  2. Step 2: Convert to fraction form
    3,991,806.70/5,508,695.50 = 2,156,265.04/x
  3. Step 3: Cross multiply
    3,991,806.70x = 5,508,695.50 × 2,156,265.04
  4. Step 4: Simplify right side
    3,991,806.70x = 11,878,207,522,655.32
  5. Step 5: Solve for x
    x = 11,878,207,522,655.32/3,991,806.70
  6. Step 6: Final answer
    x = 2,975,646.97

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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.