Home / 3,843,846-5,304,046.77-2,124,732.78

Finding the Fourth Proportional to 3,843,846, 5,304,046.77 and 2,124,732.78

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Solution

The fourth proportional to 3,843,846, 5,304,046.77 and 2,124,732.78 is: 2,931,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,846 : 5,304,046.77 = 2,124,732.78 : x
  2. Step 2: Convert to fraction form
    3,843,846/5,304,046.77 = 2,124,732.78/x
  3. Step 3: Cross multiply
    3,843,846x = 5,304,046.77 × 2,124,732.78
  4. Step 4: Simplify right side
    3,843,846x = 11,269,682,038,872.12
  5. Step 5: Solve for x
    x = 11,269,682,038,872.12/3,843,846
  6. Step 6: Final answer
    x = 2,931,876.57

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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.