Home / 1,620,391.97-2,236,164.39-895,256.37

Finding the Fourth Proportional to 1,620,391.97, 2,236,164.39 and 895,256.37

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Solution

The fourth proportional to 1,620,391.97, 2,236,164.39 and 895,256.37 is: 1,235,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,391.97 : 2,236,164.39 = 895,256.37 : x
  2. Step 2: Convert to fraction form
    1,620,391.97/2,236,164.39 = 895,256.37/x
  3. Step 3: Cross multiply
    1,620,391.97x = 2,236,164.39 × 895,256.37
  4. Step 4: Simplify right side
    1,620,391.97x = 2,001,940,414,514.66
  5. Step 5: Solve for x
    x = 2,001,940,414,514.66/1,620,391.97
  6. Step 6: Final answer
    x = 1,235,466.76

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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.