Home / 3,934,943.43-5,430,078.57-2,192,522.78

Finding the Fourth Proportional to 3,934,943.43, 5,430,078.57 and 2,192,522.78

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Solution

The fourth proportional to 3,934,943.43, 5,430,078.57 and 2,192,522.78 is: 3,025,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,943.43 : 5,430,078.57 = 2,192,522.78 : x
  2. Step 2: Convert to fraction form
    3,934,943.43/5,430,078.57 = 2,192,522.78/x
  3. Step 3: Cross multiply
    3,934,943.43x = 5,430,078.57 × 2,192,522.78
  4. Step 4: Simplify right side
    3,934,943.43x = 11,905,570,964,527.41
  5. Step 5: Solve for x
    x = 11,905,570,964,527.41/3,934,943.43
  6. Step 6: Final answer
    x = 3,025,601.56

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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.