Home / 4,279,217.64-5,905,970.82-2,731,147.56

Finding the Fourth Proportional to 4,279,217.64, 5,905,970.82 and 2,731,147.56

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Solution

The fourth proportional to 4,279,217.64, 5,905,970.82 and 2,731,147.56 is: 3,769,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,217.64 : 5,905,970.82 = 2,731,147.56 : x
  2. Step 2: Convert to fraction form
    4,279,217.64/5,905,970.82 = 2,731,147.56/x
  3. Step 3: Cross multiply
    4,279,217.64x = 5,905,970.82 × 2,731,147.56
  4. Step 4: Simplify right side
    4,279,217.64x = 16,130,077,794,474.20
  5. Step 5: Solve for x
    x = 16,130,077,794,474.20/4,279,217.64
  6. Step 6: Final answer
    x = 3,769,398.79

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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.