Home / 3,945,816.16-5,915,169.60-1,419,694.24

Finding the Fourth Proportional to 3,945,816.16, 5,915,169.60 and 1,419,694.24

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Solution

The fourth proportional to 3,945,816.16, 5,915,169.60 and 1,419,694.24 is: 2,128,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,816.16 : 5,915,169.60 = 1,419,694.24 : x
  2. Step 2: Convert to fraction form
    3,945,816.16/5,915,169.60 = 1,419,694.24/x
  3. Step 3: Cross multiply
    3,945,816.16x = 5,915,169.60 × 1,419,694.24
  4. Step 4: Simplify right side
    3,945,816.16x = 8,397,732,209,743.10
  5. Step 5: Solve for x
    x = 8,397,732,209,743.10/3,945,816.16
  6. Step 6: Final answer
    x = 2,128,262.41

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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.