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Finding the Fourth Proportional to 5,966,956.40, 8,951,316.64 and 2,179,553.52

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Solution

The fourth proportional to 5,966,956.40, 8,951,316.64 and 2,179,553.52 is: 3,269,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966,956.40 : 8,951,316.64 = 2,179,553.52 : x
  2. Step 2: Convert to fraction form
    5,966,956.40/8,951,316.64 = 2,179,553.52/x
  3. Step 3: Cross multiply
    5,966,956.40x = 8,951,316.64 × 2,179,553.52
  4. Step 4: Simplify right side
    5,966,956.40x = 19,509,873,691,346.57
  5. Step 5: Solve for x
    x = 19,509,873,691,346.57/5,966,956.40
  6. Step 6: Final answer
    x = 3,269,652.46

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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.