Home / 2,132,193.20-3,197,123.40-868,593.20

Finding the Fourth Proportional to 2,132,193.20, 3,197,123.40 and 868,593.20

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Solution

The fourth proportional to 2,132,193.20, 3,197,123.40 and 868,593.20 is: 1,302,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,193.20 : 3,197,123.40 = 868,593.20 : x
  2. Step 2: Convert to fraction form
    2,132,193.20/3,197,123.40 = 868,593.20/x
  3. Step 3: Cross multiply
    2,132,193.20x = 3,197,123.40 × 868,593.20
  4. Step 4: Simplify right side
    2,132,193.20x = 2,776,999,644,800.88
  5. Step 5: Solve for x
    x = 2,776,999,644,800.88/2,132,193.20
  6. Step 6: Final answer
    x = 1,302,414.64

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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.