Home / 5,383,611.19-7,429,121.31-3,208,105.90

Finding the Fourth Proportional to 5,383,611.19, 7,429,121.31 and 3,208,105.90

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Solution

The fourth proportional to 5,383,611.19, 7,429,121.31 and 3,208,105.90 is: 4,427,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,611.19 : 7,429,121.31 = 3,208,105.90 : x
  2. Step 2: Convert to fraction form
    5,383,611.19/7,429,121.31 = 3,208,105.90/x
  3. Step 3: Cross multiply
    5,383,611.19x = 7,429,121.31 × 3,208,105.90
  4. Step 4: Simplify right side
    5,383,611.19x = 23,833,407,906,426.73
  5. Step 5: Solve for x
    x = 23,833,407,906,426.73/5,383,611.19
  6. Step 6: Final answer
    x = 4,427,029.94

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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.