Home / 1,977,584.82-2,728,065.39-1,251,209.22

Finding the Fourth Proportional to 1,977,584.82, 2,728,065.39 and 1,251,209.22

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Solution

The fourth proportional to 1,977,584.82, 2,728,065.39 and 1,251,209.22 is: 1,726,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,584.82 : 2,728,065.39 = 1,251,209.22 : x
  2. Step 2: Convert to fraction form
    1,977,584.82/2,728,065.39 = 1,251,209.22/x
  3. Step 3: Cross multiply
    1,977,584.82x = 2,728,065.39 × 1,251,209.22
  4. Step 4: Simplify right side
    1,977,584.82x = 3,413,380,568,730.90
  5. Step 5: Solve for x
    x = 3,413,380,568,730.90/1,977,584.82
  6. Step 6: Final answer
    x = 1,726,034.98

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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.