Home / 2,661,511.65-3,992,967.72-1,382,204.13

Finding the Fourth Proportional to 2,661,511.65, 3,992,967.72 and 1,382,204.13

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Solution

The fourth proportional to 2,661,511.65, 3,992,967.72 and 1,382,204.13 is: 2,073,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,511.65 : 3,992,967.72 = 1,382,204.13 : x
  2. Step 2: Convert to fraction form
    2,661,511.65/3,992,967.72 = 1,382,204.13/x
  3. Step 3: Cross multiply
    2,661,511.65x = 3,992,967.72 × 1,382,204.13
  4. Step 4: Simplify right side
    2,661,511.65x = 5,519,096,473,540.68
  5. Step 5: Solve for x
    x = 5,519,096,473,540.68/2,661,511.65
  6. Step 6: Final answer
    x = 2,073,669.85

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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.