Home / 3,419,723-5,130,997.54-1,499,640.68

Finding the Fourth Proportional to 3,419,723, 5,130,997.54 and 1,499,640.68

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Solution

The fourth proportional to 3,419,723, 5,130,997.54 and 1,499,640.68 is: 2,250,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,723 : 5,130,997.54 = 1,499,640.68 : x
  2. Step 2: Convert to fraction form
    3,419,723/5,130,997.54 = 1,499,640.68/x
  3. Step 3: Cross multiply
    3,419,723x = 5,130,997.54 × 1,499,640.68
  4. Step 4: Simplify right side
    3,419,723x = 7,694,652,639,963.93
  5. Step 5: Solve for x
    x = 7,694,652,639,963.93/3,419,723
  6. Step 6: Final answer
    x = 2,250,080.68

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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.