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Finding the Fourth Proportional to 3,610,436.86, 4,982,635.11 and 2,000,908.54

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Solution

The fourth proportional to 3,610,436.86, 4,982,635.11 and 2,000,908.54 is: 2,761,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,436.86 : 4,982,635.11 = 2,000,908.54 : x
  2. Step 2: Convert to fraction form
    3,610,436.86/4,982,635.11 = 2,000,908.54/x
  3. Step 3: Cross multiply
    3,610,436.86x = 4,982,635.11 × 2,000,908.54
  4. Step 4: Simplify right side
    3,610,436.86x = 9,969,797,143,302.84
  5. Step 5: Solve for x
    x = 9,969,797,143,302.84/3,610,436.86
  6. Step 6: Final answer
    x = 2,761,382.49

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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.