Home / 1,930,334.74-2,662,755.18-1,203,921.33

Finding the Fourth Proportional to 1,930,334.74, 2,662,755.18 and 1,203,921.33

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Solution

The fourth proportional to 1,930,334.74, 2,662,755.18 and 1,203,921.33 is: 1,660,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,334.74 : 2,662,755.18 = 1,203,921.33 : x
  2. Step 2: Convert to fraction form
    1,930,334.74/2,662,755.18 = 1,203,921.33/x
  3. Step 3: Cross multiply
    1,930,334.74x = 2,662,755.18 × 1,203,921.33
  4. Step 4: Simplify right side
    1,930,334.74x = 3,205,747,743,269.95
  5. Step 5: Solve for x
    x = 3,205,747,743,269.95/1,930,334.74
  6. Step 6: Final answer
    x = 1,660,721.16

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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.