Home / 5,731,616.83-7,910,189.45-4,278,789.49

Finding the Fourth Proportional to 5,731,616.83, 7,910,189.45 and 4,278,789.49

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Solution

The fourth proportional to 5,731,616.83, 7,910,189.45 and 4,278,789.49 is: 5,905,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731,616.83 : 7,910,189.45 = 4,278,789.49 : x
  2. Step 2: Convert to fraction form
    5,731,616.83/7,910,189.45 = 4,278,789.49/x
  3. Step 3: Cross multiply
    5,731,616.83x = 7,910,189.45 × 4,278,789.49
  4. Step 4: Simplify right side
    5,731,616.83x = 33,846,035,482,568.88
  5. Step 5: Solve for x
    x = 33,846,035,482,568.88/5,731,616.83
  6. Step 6: Final answer
    x = 5,905,146.22

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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.