Home / 3,843,847-5,304,048.15-2,124,733.78

Finding the Fourth Proportional to 3,843,847, 5,304,048.15 and 2,124,733.78

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Solution

The fourth proportional to 3,843,847, 5,304,048.15 and 2,124,733.78 is: 2,931,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,847 : 5,304,048.15 = 2,124,733.78 : x
  2. Step 2: Convert to fraction form
    3,843,847/5,304,048.15 = 2,124,733.78/x
  3. Step 3: Cross multiply
    3,843,847x = 5,304,048.15 × 2,124,733.78
  4. Step 4: Simplify right side
    3,843,847x = 11,269,690,275,051.51
  5. Step 5: Solve for x
    x = 11,269,690,275,051.51/3,843,847
  6. Step 6: Final answer
    x = 2,931,877.95

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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.