Home / 1,681,991.76-2,321,449.56-1,002,972

Finding the Fourth Proportional to 1,681,991.76, 2,321,449.56 and 1,002,972

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Solution

The fourth proportional to 1,681,991.76, 2,321,449.56 and 1,002,972 is: 1,384,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,991.76 : 2,321,449.56 = 1,002,972 : x
  2. Step 2: Convert to fraction form
    1,681,991.76/2,321,449.56 = 1,002,972/x
  3. Step 3: Cross multiply
    1,681,991.76x = 2,321,449.56 × 1,002,972
  4. Step 4: Simplify right side
    1,681,991.76x = 2,328,348,908,092.32
  5. Step 5: Solve for x
    x = 2,328,348,908,092.32/1,681,991.76
  6. Step 6: Final answer
    x = 1,384,280.81

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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.