Home / 3,121,076.80-4,674,616.80-2,561,204.80

Finding the Fourth Proportional to 3,121,076.80, 4,674,616.80 and 2,561,204.80

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Solution

The fourth proportional to 3,121,076.80, 4,674,616.80 and 2,561,204.80 is: 3,836,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,076.80 : 4,674,616.80 = 2,561,204.80 : x
  2. Step 2: Convert to fraction form
    3,121,076.80/4,674,616.80 = 2,561,204.80/x
  3. Step 3: Cross multiply
    3,121,076.80x = 4,674,616.80 × 2,561,204.80
  4. Step 4: Simplify right side
    3,121,076.80x = 11,972,650,986,320.64
  5. Step 5: Solve for x
    x = 11,972,650,986,320.64/3,121,076.80
  6. Step 6: Final answer
    x = 3,836,064.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.