Home / 1,631,939.25-2,253,435.78-1,361,425.14

Finding the Fourth Proportional to 1,631,939.25, 2,253,435.78 and 1,361,425.14

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Solution

The fourth proportional to 1,631,939.25, 2,253,435.78 and 1,361,425.14 is: 1,879,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,939.25 : 2,253,435.78 = 1,361,425.14 : x
  2. Step 2: Convert to fraction form
    1,631,939.25/2,253,435.78 = 1,361,425.14/x
  3. Step 3: Cross multiply
    1,631,939.25x = 2,253,435.78 × 1,361,425.14
  4. Step 4: Simplify right side
    1,631,939.25x = 3,067,884,122,267.51
  5. Step 5: Solve for x
    x = 3,067,884,122,267.51/1,631,939.25
  6. Step 6: Final answer
    x = 1,879,900.94

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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.