Home / 3,806,638.72-5,252,677.20-2,175,151.60

Finding the Fourth Proportional to 3,806,638.72, 5,252,677.20 and 2,175,151.60

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Solution

The fourth proportional to 3,806,638.72, 5,252,677.20 and 2,175,151.60 is: 3,001,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806,638.72 : 5,252,677.20 = 2,175,151.60 : x
  2. Step 2: Convert to fraction form
    3,806,638.72/5,252,677.20 = 2,175,151.60/x
  3. Step 3: Cross multiply
    3,806,638.72x = 5,252,677.20 × 2,175,151.60
  4. Step 4: Simplify right side
    3,806,638.72x = 11,425,369,215,863.52
  5. Step 5: Solve for x
    x = 11,425,369,215,863.52/3,806,638.72
  6. Step 6: Final answer
    x = 3,001,432.51

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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.