Home / 6,278,876.40-8,662,199.64-3,951,642.72

Finding the Fourth Proportional to 6,278,876.40, 8,662,199.64 and 3,951,642.72

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Solution

The fourth proportional to 6,278,876.40, 8,662,199.64 and 3,951,642.72 is: 5,451,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,876.40 : 8,662,199.64 = 3,951,642.72 : x
  2. Step 2: Convert to fraction form
    6,278,876.40/8,662,199.64 = 3,951,642.72/x
  3. Step 3: Cross multiply
    6,278,876.40x = 8,662,199.64 × 3,951,642.72
  4. Step 4: Simplify right side
    6,278,876.40x = 34,229,918,146,592.62
  5. Step 5: Solve for x
    x = 34,229,918,146,592.62/6,278,876.40
  6. Step 6: Final answer
    x = 5,451,599.29

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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.