Home / 2,037,642.28-3,057,103.52-840,128.20

Finding the Fourth Proportional to 2,037,642.28, 3,057,103.52 and 840,128.20

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Solution

The fourth proportional to 2,037,642.28, 3,057,103.52 and 840,128.20 is: 1,260,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,642.28 : 3,057,103.52 = 840,128.20 : x
  2. Step 2: Convert to fraction form
    2,037,642.28/3,057,103.52 = 840,128.20/x
  3. Step 3: Cross multiply
    2,037,642.28x = 3,057,103.52 × 840,128.20
  4. Step 4: Simplify right side
    2,037,642.28x = 2,568,358,877,471.26
  5. Step 5: Solve for x
    x = 2,568,358,877,471.26/2,037,642.28
  6. Step 6: Final answer
    x = 1,260,456.22

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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.