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Finding the Fourth Proportional to 2,055,347.82, 2,836,187.87 and 1,228,257.29

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Solution

The fourth proportional to 2,055,347.82, 2,836,187.87 and 1,228,257.29 is: 1,694,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,347.82 : 2,836,187.87 = 1,228,257.29 : x
  2. Step 2: Convert to fraction form
    2,055,347.82/2,836,187.87 = 1,228,257.29/x
  3. Step 3: Cross multiply
    2,055,347.82x = 2,836,187.87 × 1,228,257.29
  4. Step 4: Simplify right side
    2,055,347.82x = 3,483,568,406,814.85
  5. Step 5: Solve for x
    x = 3,483,568,406,814.85/2,055,347.82
  6. Step 6: Final answer
    x = 1,694,880.24

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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.