Home / 2,647,065-3,968,993.92-1,187,843.80

Finding the Fourth Proportional to 2,647,065, 3,968,993.92 and 1,187,843.80

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Solution

The fourth proportional to 2,647,065, 3,968,993.92 and 1,187,843.80 is: 1,781,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,065 : 3,968,993.92 = 1,187,843.80 : x
  2. Step 2: Convert to fraction form
    2,647,065/3,968,993.92 = 1,187,843.80/x
  3. Step 3: Cross multiply
    2,647,065x = 3,968,993.92 × 1,187,843.80
  4. Step 4: Simplify right side
    2,647,065x = 4,714,544,820,109.70
  5. Step 5: Solve for x
    x = 4,714,544,820,109.70/2,647,065
  6. Step 6: Final answer
    x = 1,781,046.11

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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.