Home / 3,667,680.20-5,489,078.70-3,219,782.60

Finding the Fourth Proportional to 3,667,680.20, 5,489,078.70 and 3,219,782.60

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Solution

The fourth proportional to 3,667,680.20, 5,489,078.70 and 3,219,782.60 is: 4,818,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,680.20 : 5,489,078.70 = 3,219,782.60 : x
  2. Step 2: Convert to fraction form
    3,667,680.20/5,489,078.70 = 3,219,782.60/x
  3. Step 3: Cross multiply
    3,667,680.20x = 5,489,078.70 × 3,219,782.60
  4. Step 4: Simplify right side
    3,667,680.20x = 17,673,640,088,290.62
  5. Step 5: Solve for x
    x = 17,673,640,088,290.62/3,667,680.20
  6. Step 6: Final answer
    x = 4,818,751.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.