Home / 5,431,061.20-8,151,840.60-2,738,426.80

Finding the Fourth Proportional to 5,431,061.20, 8,151,840.60 and 2,738,426.80

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Solution

The fourth proportional to 5,431,061.20, 8,151,840.60 and 2,738,426.80 is: 4,110,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,061.20 : 8,151,840.60 = 2,738,426.80 : x
  2. Step 2: Convert to fraction form
    5,431,061.20/8,151,840.60 = 2,738,426.80/x
  3. Step 3: Cross multiply
    5,431,061.20x = 8,151,840.60 × 2,738,426.80
  4. Step 4: Simplify right side
    5,431,061.20x = 22,323,218,768,368.08
  5. Step 5: Solve for x
    x = 22,323,218,768,368.08/5,431,061.20
  6. Step 6: Final answer
    x = 4,110,286.73

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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.