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Finding the Fourth Proportional to 1,836,843.06, 2,752,647.90 and 1,353,267.90

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Solution

The fourth proportional to 1,836,843.06, 2,752,647.90 and 1,353,267.90 is: 2,027,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,843.06 : 2,752,647.90 = 1,353,267.90 : x
  2. Step 2: Convert to fraction form
    1,836,843.06/2,752,647.90 = 1,353,267.90/x
  3. Step 3: Cross multiply
    1,836,843.06x = 2,752,647.90 × 1,353,267.90
  4. Step 4: Simplify right side
    1,836,843.06x = 3,725,070,043,072.41
  5. Step 5: Solve for x
    x = 3,725,070,043,072.41/1,836,843.06
  6. Step 6: Final answer
    x = 2,027,974.04

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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.