Home / 3,947,351.42-5,921,242.46-1,251,481.66

Finding the Fourth Proportional to 3,947,351.42, 5,921,242.46 and 1,251,481.66

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Solution

The fourth proportional to 3,947,351.42, 5,921,242.46 and 1,251,481.66 is: 1,877,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,351.42 : 5,921,242.46 = 1,251,481.66 : x
  2. Step 2: Convert to fraction form
    3,947,351.42/5,921,242.46 = 1,251,481.66/x
  3. Step 3: Cross multiply
    3,947,351.42x = 5,921,242.46 × 1,251,481.66
  4. Step 4: Simplify right side
    3,947,351.42x = 7,410,326,343,103.28
  5. Step 5: Solve for x
    x = 7,410,326,343,103.28/3,947,351.42
  6. Step 6: Final answer
    x = 1,877,290.76

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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.