Home / 2,171,230.56-2,996,240.31-1,253,428.65

Finding the Fourth Proportional to 2,171,230.56, 2,996,240.31 and 1,253,428.65

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Solution

The fourth proportional to 2,171,230.56, 2,996,240.31 and 1,253,428.65 is: 1,729,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,230.56 : 2,996,240.31 = 1,253,428.65 : x
  2. Step 2: Convert to fraction form
    2,171,230.56/2,996,240.31 = 1,253,428.65/x
  3. Step 3: Cross multiply
    2,171,230.56x = 2,996,240.31 × 1,253,428.65
  4. Step 4: Simplify right side
    2,171,230.56x = 3,755,573,446,838.88
  5. Step 5: Solve for x
    x = 3,755,573,446,838.88/2,171,230.56
  6. Step 6: Final answer
    x = 1,729,698.13

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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.