Home / 3,431,380.41-5,143,723.56-1,633,780.89

Finding the Fourth Proportional to 3,431,380.41, 5,143,723.56 and 1,633,780.89

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Solution

The fourth proportional to 3,431,380.41, 5,143,723.56 and 1,633,780.89 is: 2,449,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,380.41 : 5,143,723.56 = 1,633,780.89 : x
  2. Step 2: Convert to fraction form
    3,431,380.41/5,143,723.56 = 1,633,780.89/x
  3. Step 3: Cross multiply
    3,431,380.41x = 5,143,723.56 × 1,633,780.89
  4. Step 4: Simplify right side
    3,431,380.41x = 8,403,717,255,770.77
  5. Step 5: Solve for x
    x = 8,403,717,255,770.77/3,431,380.41
  6. Step 6: Final answer
    x = 2,449,077.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.