Home / 6,520,920.20-9,781,380.30-4,253,438.60

Finding the Fourth Proportional to 6,520,920.20, 9,781,380.30 and 4,253,438.60

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Solution

The fourth proportional to 6,520,920.20, 9,781,380.30 and 4,253,438.60 is: 6,380,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,920.20 : 9,781,380.30 = 4,253,438.60 : x
  2. Step 2: Convert to fraction form
    6,520,920.20/9,781,380.30 = 4,253,438.60/x
  3. Step 3: Cross multiply
    6,520,920.20x = 9,781,380.30 × 4,253,438.60
  4. Step 4: Simplify right side
    6,520,920.20x = 41,604,500,529,299.58
  5. Step 5: Solve for x
    x = 41,604,500,529,299.58/6,520,920.20
  6. Step 6: Final answer
    x = 6,380,157.90

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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.