Home / 2,825,893.28-3,899,760.40-1,536,761.52

Finding the Fourth Proportional to 2,825,893.28, 3,899,760.40 and 1,536,761.52

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Solution

The fourth proportional to 2,825,893.28, 3,899,760.40 and 1,536,761.52 is: 2,120,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,893.28 : 3,899,760.40 = 1,536,761.52 : x
  2. Step 2: Convert to fraction form
    2,825,893.28/3,899,760.40 = 1,536,761.52/x
  3. Step 3: Cross multiply
    2,825,893.28x = 3,899,760.40 × 1,536,761.52
  4. Step 4: Simplify right side
    2,825,893.28x = 5,993,001,719,939.81
  5. Step 5: Solve for x
    x = 5,993,001,719,939.81/2,825,893.28
  6. Step 6: Final answer
    x = 2,120,745.95

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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.