Home / 2,515,760.40-3,471,806.32-1,427,930.22

Finding the Fourth Proportional to 2,515,760.40, 3,471,806.32 and 1,427,930.22

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Solution

The fourth proportional to 2,515,760.40, 3,471,806.32 and 1,427,930.22 is: 1,970,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,760.40 : 3,471,806.32 = 1,427,930.22 : x
  2. Step 2: Convert to fraction form
    2,515,760.40/3,471,806.32 = 1,427,930.22/x
  3. Step 3: Cross multiply
    2,515,760.40x = 3,471,806.32 × 1,427,930.22
  4. Step 4: Simplify right side
    2,515,760.40x = 4,957,497,162,314.99
  5. Step 5: Solve for x
    x = 4,957,497,162,314.99/2,515,760.40
  6. Step 6: Final answer
    x = 1,970,576.04

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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.