Home / 2,131,996.38-3,197,644.19-765,487.20

Finding the Fourth Proportional to 2,131,996.38, 3,197,644.19 and 765,487.20

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Solution

The fourth proportional to 2,131,996.38, 3,197,644.19 and 765,487.20 is: 1,148,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,996.38 : 3,197,644.19 = 765,487.20 : x
  2. Step 2: Convert to fraction form
    2,131,996.38/3,197,644.19 = 765,487.20/x
  3. Step 3: Cross multiply
    2,131,996.38x = 3,197,644.19 × 765,487.20
  4. Step 4: Simplify right side
    2,131,996.38x = 2,447,755,697,599.37
  5. Step 5: Solve for x
    x = 2,447,755,697,599.37/2,131,996.38
  6. Step 6: Final answer
    x = 1,148,105.00

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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.