Home / 1,681,990.76-2,321,448.18-1,002,971

Finding the Fourth Proportional to 1,681,990.76, 2,321,448.18 and 1,002,971

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Solution

The fourth proportional to 1,681,990.76, 2,321,448.18 and 1,002,971 is: 1,384,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,990.76 : 2,321,448.18 = 1,002,971 : x
  2. Step 2: Convert to fraction form
    1,681,990.76/2,321,448.18 = 1,002,971/x
  3. Step 3: Cross multiply
    1,681,990.76x = 2,321,448.18 × 1,002,971
  4. Step 4: Simplify right side
    1,681,990.76x = 2,328,345,202,542.78
  5. Step 5: Solve for x
    x = 2,328,345,202,542.78/1,681,990.76
  6. Step 6: Final answer
    x = 1,384,279.43

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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.