Home / 3,240,728.20-4,857,981.90-2,520,670.60

Finding the Fourth Proportional to 3,240,728.20, 4,857,981.90 and 2,520,670.60

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Solution

The fourth proportional to 3,240,728.20, 4,857,981.90 and 2,520,670.60 is: 3,778,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,728.20 : 4,857,981.90 = 2,520,670.60 : x
  2. Step 2: Convert to fraction form
    3,240,728.20/4,857,981.90 = 2,520,670.60/x
  3. Step 3: Cross multiply
    3,240,728.20x = 4,857,981.90 × 2,520,670.60
  4. Step 4: Simplify right side
    3,240,728.20x = 12,245,372,150,662.14
  5. Step 5: Solve for x
    x = 12,245,372,150,662.14/3,240,728.20
  6. Step 6: Final answer
    x = 3,778,586.60

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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.