Home / 5,166,845-7,741,410.11-3,647,809.47

Finding the Fourth Proportional to 5,166,845, 7,741,410.11 and 3,647,809.47

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Solution

The fourth proportional to 5,166,845, 7,741,410.11 and 3,647,809.47 is: 5,465,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,845 : 7,741,410.11 = 3,647,809.47 : x
  2. Step 2: Convert to fraction form
    5,166,845/7,741,410.11 = 3,647,809.47/x
  3. Step 3: Cross multiply
    5,166,845x = 7,741,410.11 × 3,647,809.47
  4. Step 4: Simplify right side
    5,166,845x = 28,239,189,110,411.75
  5. Step 5: Solve for x
    x = 28,239,189,110,411.75/5,166,845
  6. Step 6: Final answer
    x = 5,465,460.86

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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.