Home / 2,154,140.88-3,231,764.96-806,322.75

Finding the Fourth Proportional to 2,154,140.88, 3,231,764.96 and 806,322.75

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Solution

The fourth proportional to 2,154,140.88, 3,231,764.96 and 806,322.75 is: 1,209,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,140.88 : 3,231,764.96 = 806,322.75 : x
  2. Step 2: Convert to fraction form
    2,154,140.88/3,231,764.96 = 806,322.75/x
  3. Step 3: Cross multiply
    2,154,140.88x = 3,231,764.96 × 806,322.75
  4. Step 4: Simplify right side
    2,154,140.88x = 2,605,845,605,869.23
  5. Step 5: Solve for x
    x = 2,605,845,605,869.23/2,154,140.88
  6. Step 6: Final answer
    x = 1,209,691.36

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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.