Home / 2,087,989.29-3,132,002.40-825,817.05

Finding the Fourth Proportional to 2,087,989.29, 3,132,002.40 and 825,817.05

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Solution

The fourth proportional to 2,087,989.29, 3,132,002.40 and 825,817.05 is: 1,238,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,989.29 : 3,132,002.40 = 825,817.05 : x
  2. Step 2: Convert to fraction form
    2,087,989.29/3,132,002.40 = 825,817.05/x
  3. Step 3: Cross multiply
    2,087,989.29x = 3,132,002.40 × 825,817.05
  4. Step 4: Simplify right side
    2,087,989.29x = 2,586,460,982,560.92
  5. Step 5: Solve for x
    x = 2,586,460,982,560.92/2,087,989.29
  6. Step 6: Final answer
    x = 1,238,732.88

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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.