Home / 3,986,952.30-5,980,428.45-2,279,342.70

Finding the Fourth Proportional to 3,986,952.30, 5,980,428.45 and 2,279,342.70

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Solution

The fourth proportional to 3,986,952.30, 5,980,428.45 and 2,279,342.70 is: 3,419,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,952.30 : 5,980,428.45 = 2,279,342.70 : x
  2. Step 2: Convert to fraction form
    3,986,952.30/5,980,428.45 = 2,279,342.70/x
  3. Step 3: Cross multiply
    3,986,952.30x = 5,980,428.45 × 2,279,342.70
  4. Step 4: Simplify right side
    3,986,952.30x = 13,631,445,930,379.82
  5. Step 5: Solve for x
    x = 13,631,445,930,379.82/3,986,952.30
  6. Step 6: Final answer
    x = 3,419,014.05

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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.