Home / 3,963,453.78-5,469,594.21-2,152,617.78

Finding the Fourth Proportional to 3,963,453.78, 5,469,594.21 and 2,152,617.78

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Solution

The fourth proportional to 3,963,453.78, 5,469,594.21 and 2,152,617.78 is: 2,970,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,453.78 : 5,469,594.21 = 2,152,617.78 : x
  2. Step 2: Convert to fraction form
    3,963,453.78/5,469,594.21 = 2,152,617.78/x
  3. Step 3: Cross multiply
    3,963,453.78x = 5,469,594.21 × 2,152,617.78
  4. Step 4: Simplify right side
    3,963,453.78x = 11,773,945,745,831.05
  5. Step 5: Solve for x
    x = 11,773,945,745,831.05/3,963,453.78
  6. Step 6: Final answer
    x = 2,970,627.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.