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Finding the Fourth Proportional to 6,630,600.60, 9,945,900.90 and 4,950,984.60

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Solution

The fourth proportional to 6,630,600.60, 9,945,900.90 and 4,950,984.60 is: 7,426,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,600.60 : 9,945,900.90 = 4,950,984.60 : x
  2. Step 2: Convert to fraction form
    6,630,600.60/9,945,900.90 = 4,950,984.60/x
  3. Step 3: Cross multiply
    6,630,600.60x = 9,945,900.90 × 4,950,984.60
  4. Step 4: Simplify right side
    6,630,600.60x = 49,242,002,189,026.14
  5. Step 5: Solve for x
    x = 49,242,002,189,026.14/6,630,600.60
  6. Step 6: Final answer
    x = 7,426,476.90

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Similar ratio
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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.