Home / 2,180,621.35-3,269,532.34-1,431,792.55

Finding the Fourth Proportional to 2,180,621.35, 3,269,532.34 and 1,431,792.55

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Solution

The fourth proportional to 2,180,621.35, 3,269,532.34 and 1,431,792.55 is: 2,146,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,621.35 : 3,269,532.34 = 1,431,792.55 : x
  2. Step 2: Convert to fraction form
    2,180,621.35/3,269,532.34 = 1,431,792.55/x
  3. Step 3: Cross multiply
    2,180,621.35x = 3,269,532.34 × 1,431,792.55
  4. Step 4: Simplify right side
    2,180,621.35x = 4,681,292,022,889.44
  5. Step 5: Solve for x
    x = 4,681,292,022,889.44/2,180,621.35
  6. Step 6: Final answer
    x = 2,146,769.79

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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.