Home / 3,185,194.31-4,396,528.68-2,167,189.55

Finding the Fourth Proportional to 3,185,194.31, 4,396,528.68 and 2,167,189.55

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Solution

The fourth proportional to 3,185,194.31, 4,396,528.68 and 2,167,189.55 is: 2,991,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,194.31 : 4,396,528.68 = 2,167,189.55 : x
  2. Step 2: Convert to fraction form
    3,185,194.31/4,396,528.68 = 2,167,189.55/x
  3. Step 3: Cross multiply
    3,185,194.31x = 4,396,528.68 × 2,167,189.55
  4. Step 4: Simplify right side
    3,185,194.31x = 9,528,111,022,562.62
  5. Step 5: Solve for x
    x = 9,528,111,022,562.62/3,185,194.31
  6. Step 6: Final answer
    x = 2,991,375.12

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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.