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Finding the Fourth Proportional to 6,274,753.28, 8,659,159.64 and 3,558,499.28

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Solution

The fourth proportional to 6,274,753.28, 8,659,159.64 and 3,558,499.28 is: 4,910,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274,753.28 : 8,659,159.64 = 3,558,499.28 : x
  2. Step 2: Convert to fraction form
    6,274,753.28/8,659,159.64 = 3,558,499.28/x
  3. Step 3: Cross multiply
    6,274,753.28x = 8,659,159.64 × 3,558,499.28
  4. Step 4: Simplify right side
    6,274,753.28x = 30,813,613,344,345.06
  5. Step 5: Solve for x
    x = 30,813,613,344,345.06/6,274,753.28
  6. Step 6: Final answer
    x = 4,910,729.07

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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.