Home / 3,105,728.91-4,657,115.28-1,083,727.11

Finding the Fourth Proportional to 3,105,728.91, 4,657,115.28 and 1,083,727.11

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Solution

The fourth proportional to 3,105,728.91, 4,657,115.28 and 1,083,727.11 is: 1,625,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,728.91 : 4,657,115.28 = 1,083,727.11 : x
  2. Step 2: Convert to fraction form
    3,105,728.91/4,657,115.28 = 1,083,727.11/x
  3. Step 3: Cross multiply
    3,105,728.91x = 4,657,115.28 × 1,083,727.11
  4. Step 4: Simplify right side
    3,105,728.91x = 5,047,042,083,331.24
  5. Step 5: Solve for x
    x = 5,047,042,083,331.24/3,105,728.91
  6. Step 6: Final answer
    x = 1,625,074.90

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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.