Home / 3,289,358.90-4,538,110.60-1,982,899.78

Finding the Fourth Proportional to 3,289,358.90, 4,538,110.60 and 1,982,899.78

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Solution

The fourth proportional to 3,289,358.90, 4,538,110.60 and 1,982,899.78 is: 2,735,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,358.90 : 4,538,110.60 = 1,982,899.78 : x
  2. Step 2: Convert to fraction form
    3,289,358.90/4,538,110.60 = 1,982,899.78/x
  3. Step 3: Cross multiply
    3,289,358.90x = 4,538,110.60 × 1,982,899.78
  4. Step 4: Simplify right side
    3,289,358.90x = 8,998,618,510,355.67
  5. Step 5: Solve for x
    x = 8,998,618,510,355.67/3,289,358.90
  6. Step 6: Final answer
    x = 2,735,675.49

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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.