Home / 2,702,861.40-3,729,948.21-1,479,167.70

Finding the Fourth Proportional to 2,702,861.40, 3,729,948.21 and 1,479,167.70

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Solution

The fourth proportional to 2,702,861.40, 3,729,948.21 and 1,479,167.70 is: 2,041,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,861.40 : 3,729,948.21 = 1,479,167.70 : x
  2. Step 2: Convert to fraction form
    2,702,861.40/3,729,948.21 = 1,479,167.70/x
  3. Step 3: Cross multiply
    2,702,861.40x = 3,729,948.21 × 1,479,167.70
  4. Step 4: Simplify right side
    2,702,861.40x = 5,517,218,914,904.82
  5. Step 5: Solve for x
    x = 5,517,218,914,904.82/2,702,861.40
  6. Step 6: Final answer
    x = 2,041,251.14

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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.