Home / 3,611,986.82-5,410,760.84-2,171,881.71

Finding the Fourth Proportional to 3,611,986.82, 5,410,760.84 and 2,171,881.71

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Solution

The fourth proportional to 3,611,986.82, 5,410,760.84 and 2,171,881.71 is: 3,253,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,986.82 : 5,410,760.84 = 2,171,881.71 : x
  2. Step 2: Convert to fraction form
    3,611,986.82/5,410,760.84 = 2,171,881.71/x
  3. Step 3: Cross multiply
    3,611,986.82x = 5,410,760.84 × 2,171,881.71
  4. Step 4: Simplify right side
    3,611,986.82x = 11,751,532,494,720.83
  5. Step 5: Solve for x
    x = 11,751,532,494,720.83/3,611,986.82
  6. Step 6: Final answer
    x = 3,253,481.56

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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.