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Finding the Fourth Proportional to 3,976,846.60, 5,963,714.70 and 1,451,201.80

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Solution

The fourth proportional to 3,976,846.60, 5,963,714.70 and 1,451,201.80 is: 2,176,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,846.60 : 5,963,714.70 = 1,451,201.80 : x
  2. Step 2: Convert to fraction form
    3,976,846.60/5,963,714.70 = 1,451,201.80/x
  3. Step 3: Cross multiply
    3,976,846.60x = 5,963,714.70 × 1,451,201.80
  4. Step 4: Simplify right side
    3,976,846.60x = 8,654,553,507,326.46
  5. Step 5: Solve for x
    x = 8,654,553,507,326.46/3,976,846.60
  6. Step 6: Final answer
    x = 2,176,235.19

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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.