Home / 3,940,347.42-5,435,611.79-3,206,121.54

Finding the Fourth Proportional to 3,940,347.42, 5,435,611.79 and 3,206,121.54

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Solution

The fourth proportional to 3,940,347.42, 5,435,611.79 and 3,206,121.54 is: 4,422,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,347.42 : 5,435,611.79 = 3,206,121.54 : x
  2. Step 2: Convert to fraction form
    3,940,347.42/5,435,611.79 = 3,206,121.54/x
  3. Step 3: Cross multiply
    3,940,347.42x = 5,435,611.79 × 3,206,121.54
  4. Step 4: Simplify right side
    3,940,347.42x = 17,427,232,042,996.96
  5. Step 5: Solve for x
    x = 17,427,232,042,996.96/3,940,347.42
  6. Step 6: Final answer
    x = 4,422,765.35

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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.