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Finding the Fourth Proportional to 3,799,658.46, 5,243,489.34 and 2,057,297.87

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Solution

The fourth proportional to 3,799,658.46, 5,243,489.34 and 2,057,297.87 is: 2,839,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799,658.46 : 5,243,489.34 = 2,057,297.87 : x
  2. Step 2: Convert to fraction form
    3,799,658.46/5,243,489.34 = 2,057,297.87/x
  3. Step 3: Cross multiply
    3,799,658.46x = 5,243,489.34 × 2,057,297.87
  4. Step 4: Simplify right side
    3,799,658.46x = 10,787,419,455,943.56
  5. Step 5: Solve for x
    x = 10,787,419,455,943.56/3,799,658.46
  6. Step 6: Final answer
    x = 2,839,049.76

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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.