Home / 2,132,197.20-3,197,129.40-868,597.20

Finding the Fourth Proportional to 2,132,197.20, 3,197,129.40 and 868,597.20

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Solution

The fourth proportional to 2,132,197.20, 3,197,129.40 and 868,597.20 is: 1,302,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,197.20 : 3,197,129.40 = 868,597.20 : x
  2. Step 2: Convert to fraction form
    2,132,197.20/3,197,129.40 = 868,597.20/x
  3. Step 3: Cross multiply
    2,132,197.20x = 3,197,129.40 × 868,597.20
  4. Step 4: Simplify right side
    2,132,197.20x = 2,777,017,644,877.68
  5. Step 5: Solve for x
    x = 2,777,017,644,877.68/2,132,197.20
  6. Step 6: Final answer
    x = 1,302,420.64

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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.