Home / 3,431,739.27-4,736,220.17-1,981,432.28

Finding the Fourth Proportional to 3,431,739.27, 4,736,220.17 and 1,981,432.28

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Solution

The fourth proportional to 3,431,739.27, 4,736,220.17 and 1,981,432.28 is: 2,734,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,739.27 : 4,736,220.17 = 1,981,432.28 : x
  2. Step 2: Convert to fraction form
    3,431,739.27/4,736,220.17 = 1,981,432.28/x
  3. Step 3: Cross multiply
    3,431,739.27x = 4,736,220.17 × 1,981,432.28
  4. Step 4: Simplify right side
    3,431,739.27x = 9,384,499,496,436.82
  5. Step 5: Solve for x
    x = 9,384,499,496,436.82/3,431,739.27
  6. Step 6: Final answer
    x = 2,734,619.02

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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.