Home / 3,289,354.70-4,538,104.78-1,982,895.58

Finding the Fourth Proportional to 3,289,354.70, 4,538,104.78 and 1,982,895.58

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Solution

The fourth proportional to 3,289,354.70, 4,538,104.78 and 1,982,895.58 is: 2,735,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,354.70 : 4,538,104.78 = 1,982,895.58 : x
  2. Step 2: Convert to fraction form
    3,289,354.70/4,538,104.78 = 1,982,895.58/x
  3. Step 3: Cross multiply
    3,289,354.70x = 4,538,104.78 × 1,982,895.58
  4. Step 4: Simplify right side
    3,289,354.70x = 8,998,587,909,838.87
  5. Step 5: Solve for x
    x = 8,998,587,909,838.87/3,289,354.70
  6. Step 6: Final answer
    x = 2,735,669.68

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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.