Home / 2,545,318.98-3,512,450.43-1,399,390.56

Finding the Fourth Proportional to 2,545,318.98, 3,512,450.43 and 1,399,390.56

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Solution

The fourth proportional to 2,545,318.98, 3,512,450.43 and 1,399,390.56 is: 1,931,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,318.98 : 3,512,450.43 = 1,399,390.56 : x
  2. Step 2: Convert to fraction form
    2,545,318.98/3,512,450.43 = 1,399,390.56/x
  3. Step 3: Cross multiply
    2,545,318.98x = 3,512,450.43 × 1,399,390.56
  4. Step 4: Simplify right side
    2,545,318.98x = 4,915,289,974,209.94
  5. Step 5: Solve for x
    x = 4,915,289,974,209.94/2,545,318.98
  6. Step 6: Final answer
    x = 1,931,109.62

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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.