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Finding the Fourth Proportional to 4,218,894.86, 5,822,076.56 and 2,285,149.46

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Solution

The fourth proportional to 4,218,894.86, 5,822,076.56 and 2,285,149.46 is: 3,153,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,894.86 : 5,822,076.56 = 2,285,149.46 : x
  2. Step 2: Convert to fraction form
    4,218,894.86/5,822,076.56 = 2,285,149.46/x
  3. Step 3: Cross multiply
    4,218,894.86x = 5,822,076.56 × 2,285,149.46
  4. Step 4: Simplify right side
    4,218,894.86x = 13,304,315,107,162.66
  5. Step 5: Solve for x
    x = 13,304,315,107,162.66/4,218,894.86
  6. Step 6: Final answer
    x = 3,153,507.15

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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.