Home / 1,642,380.15-2,250,023.19-1,580,975.48

Finding the Fourth Proportional to 1,642,380.15, 2,250,023.19 and 1,580,975.48

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Solution

The fourth proportional to 1,642,380.15, 2,250,023.19 and 1,580,975.48 is: 2,165,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,380.15 : 2,250,023.19 = 1,580,975.48 : x
  2. Step 2: Convert to fraction form
    1,642,380.15/2,250,023.19 = 1,580,975.48/x
  3. Step 3: Cross multiply
    1,642,380.15x = 2,250,023.19 × 1,580,975.48
  4. Step 4: Simplify right side
    1,642,380.15x = 3,557,231,481,571.27
  5. Step 5: Solve for x
    x = 3,557,231,481,571.27/1,642,380.15
  6. Step 6: Final answer
    x = 2,165,900.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.