Home / 2,157,923.25-2,977,934.09-1,204,067.25

Finding the Fourth Proportional to 2,157,923.25, 2,977,934.09 and 1,204,067.25

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Solution

The fourth proportional to 2,157,923.25, 2,977,934.09 and 1,204,067.25 is: 1,661,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,923.25 : 2,977,934.09 = 1,204,067.25 : x
  2. Step 2: Convert to fraction form
    2,157,923.25/2,977,934.09 = 1,204,067.25/x
  3. Step 3: Cross multiply
    2,157,923.25x = 2,977,934.09 × 1,204,067.25
  4. Step 4: Simplify right side
    2,157,923.25x = 3,585,632,904,407.22
  5. Step 5: Solve for x
    x = 3,585,632,904,407.22/2,157,923.25
  6. Step 6: Final answer
    x = 1,661,612.81

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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.