Home / 2,856,641.40-4,284,987.20-726,727.80

Finding the Fourth Proportional to 2,856,641.40, 4,284,987.20 and 726,727.80

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Solution

The fourth proportional to 2,856,641.40, 4,284,987.20 and 726,727.80 is: 1,090,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,641.40 : 4,284,987.20 = 726,727.80 : x
  2. Step 2: Convert to fraction form
    2,856,641.40/4,284,987.20 = 726,727.80/x
  3. Step 3: Cross multiply
    2,856,641.40x = 4,284,987.20 × 726,727.80
  4. Step 4: Simplify right side
    2,856,641.40x = 3,114,019,320,884.16
  5. Step 5: Solve for x
    x = 3,114,019,320,884.16/2,856,641.40
  6. Step 6: Final answer
    x = 1,090,098.09

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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.