Home / 2,764,685.29-4,146,405.85-991,757.29

Finding the Fourth Proportional to 2,764,685.29, 4,146,405.85 and 991,757.29

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Solution

The fourth proportional to 2,764,685.29, 4,146,405.85 and 991,757.29 is: 1,487,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,685.29 : 4,146,405.85 = 991,757.29 : x
  2. Step 2: Convert to fraction form
    2,764,685.29/4,146,405.85 = 991,757.29/x
  3. Step 3: Cross multiply
    2,764,685.29x = 4,146,405.85 × 991,757.29
  4. Step 4: Simplify right side
    2,764,685.29x = 4,112,228,229,036.15
  5. Step 5: Solve for x
    x = 4,112,228,229,036.15/2,764,685.29
  6. Step 6: Final answer
    x = 1,487,412.78

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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.