Home / 3,617,928.30-4,992,517.38-1,986,326.57

Finding the Fourth Proportional to 3,617,928.30, 4,992,517.38 and 1,986,326.57

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Solution

The fourth proportional to 3,617,928.30, 4,992,517.38 and 1,986,326.57 is: 2,741,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,928.30 : 4,992,517.38 = 1,986,326.57 : x
  2. Step 2: Convert to fraction form
    3,617,928.30/4,992,517.38 = 1,986,326.57/x
  3. Step 3: Cross multiply
    3,617,928.30x = 4,992,517.38 × 1,986,326.57
  4. Step 4: Simplify right side
    3,617,928.30x = 9,916,769,943,010.81
  5. Step 5: Solve for x
    x = 9,916,769,943,010.81/3,617,928.30
  6. Step 6: Final answer
    x = 2,741,007.87

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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.