Home / 2,147,229.41-3,218,185.08-1,081,690.20

Finding the Fourth Proportional to 2,147,229.41, 3,218,185.08 and 1,081,690.20

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Solution

The fourth proportional to 2,147,229.41, 3,218,185.08 and 1,081,690.20 is: 1,621,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,229.41 : 3,218,185.08 = 1,081,690.20 : x
  2. Step 2: Convert to fraction form
    2,147,229.41/3,218,185.08 = 1,081,690.20/x
  3. Step 3: Cross multiply
    2,147,229.41x = 3,218,185.08 × 1,081,690.20
  4. Step 4: Simplify right side
    2,147,229.41x = 3,481,079,262,822.22
  5. Step 5: Solve for x
    x = 3,481,079,262,822.22/2,147,229.41
  6. Step 6: Final answer
    x = 1,621,195.79

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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.