Home / 3,289,355.45-4,538,105.82-1,982,896.32

Finding the Fourth Proportional to 3,289,355.45, 4,538,105.82 and 1,982,896.32

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Solution

The fourth proportional to 3,289,355.45, 4,538,105.82 and 1,982,896.32 is: 2,735,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,355.45 : 4,538,105.82 = 1,982,896.32 : x
  2. Step 2: Convert to fraction form
    3,289,355.45/4,538,105.82 = 1,982,896.32/x
  3. Step 3: Cross multiply
    3,289,355.45x = 4,538,105.82 × 1,982,896.32
  4. Step 4: Simplify right side
    3,289,355.45x = 8,998,593,330,248.58
  5. Step 5: Solve for x
    x = 8,998,593,330,248.58/3,289,355.45
  6. Step 6: Final answer
    x = 2,735,670.71

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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.