Home / 3,767,781.52-5,199,675-2,158,460.56

Finding the Fourth Proportional to 3,767,781.52, 5,199,675 and 2,158,460.56

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Solution

The fourth proportional to 3,767,781.52, 5,199,675 and 2,158,460.56 is: 2,978,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767,781.52 : 5,199,675 = 2,158,460.56 : x
  2. Step 2: Convert to fraction form
    3,767,781.52/5,199,675 = 2,158,460.56/x
  3. Step 3: Cross multiply
    3,767,781.52x = 5,199,675 × 2,158,460.56
  4. Step 4: Simplify right side
    3,767,781.52x = 11,223,293,412,318
  5. Step 5: Solve for x
    x = 11,223,293,412,318/3,767,781.52
  6. Step 6: Final answer
    x = 2,978,753.77

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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.