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Finding the Fourth Proportional to 3,996,581.07, 5,515,277.97 and 2,161,034.97

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Solution

The fourth proportional to 3,996,581.07, 5,515,277.97 and 2,161,034.97 is: 2,982,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,581.07 : 5,515,277.97 = 2,161,034.97 : x
  2. Step 2: Convert to fraction form
    3,996,581.07/5,515,277.97 = 2,161,034.97/x
  3. Step 3: Cross multiply
    3,996,581.07x = 5,515,277.97 × 2,161,034.97
  4. Step 4: Simplify right side
    3,996,581.07x = 11,918,708,562,440.61
  5. Step 5: Solve for x
    x = 11,918,708,562,440.61/3,996,581.07
  6. Step 6: Final answer
    x = 2,982,226.15

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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.