Home / 3,667,999.20-5,489,557.20-3,220,101.60

Finding the Fourth Proportional to 3,667,999.20, 5,489,557.20 and 3,220,101.60

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Solution

The fourth proportional to 3,667,999.20, 5,489,557.20 and 3,220,101.60 is: 4,819,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,999.20 : 5,489,557.20 = 3,220,101.60 : x
  2. Step 2: Convert to fraction form
    3,667,999.20/5,489,557.20 = 3,220,101.60/x
  3. Step 3: Cross multiply
    3,667,999.20x = 5,489,557.20 × 3,220,101.60
  4. Step 4: Simplify right side
    3,667,999.20x = 17,676,931,923,011.52
  5. Step 5: Solve for x
    x = 17,676,931,923,011.52/3,667,999.20
  6. Step 6: Final answer
    x = 4,819,230.04

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1.5x scale

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.