Home / 5,431,042.70-8,151,812.85-2,738,408.30

Finding the Fourth Proportional to 5,431,042.70, 8,151,812.85 and 2,738,408.30

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Solution

The fourth proportional to 5,431,042.70, 8,151,812.85 and 2,738,408.30 is: 4,110,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,042.70 : 8,151,812.85 = 2,738,408.30 : x
  2. Step 2: Convert to fraction form
    5,431,042.70/8,151,812.85 = 2,738,408.30/x
  3. Step 3: Cross multiply
    5,431,042.70x = 8,151,812.85 × 2,738,408.30
  4. Step 4: Simplify right side
    5,431,042.70x = 22,322,991,968,486.65
  5. Step 5: Solve for x
    x = 22,322,991,968,486.65/5,431,042.70
  6. Step 6: Final answer
    x = 4,110,258.97

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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.