Home / 3,289,354.70-4,538,104.79-1,982,895.57

Finding the Fourth Proportional to 3,289,354.70, 4,538,104.79 and 1,982,895.57

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Solution

The fourth proportional to 3,289,354.70, 4,538,104.79 and 1,982,895.57 is: 2,735,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,354.70 : 4,538,104.79 = 1,982,895.57 : x
  2. Step 2: Convert to fraction form
    3,289,354.70/4,538,104.79 = 1,982,895.57/x
  3. Step 3: Cross multiply
    3,289,354.70x = 4,538,104.79 × 1,982,895.57
  4. Step 4: Simplify right side
    3,289,354.70x = 8,998,587,874,372.30
  5. Step 5: Solve for x
    x = 8,998,587,874,372.30/3,289,354.70
  6. Step 6: Final answer
    x = 2,735,669.67

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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.