Home / 3,055,788.40-4,216,986.82-1,679,220.80

Finding the Fourth Proportional to 3,055,788.40, 4,216,986.82 and 1,679,220.80

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Solution

The fourth proportional to 3,055,788.40, 4,216,986.82 and 1,679,220.80 is: 2,317,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055,788.40 : 4,216,986.82 = 1,679,220.80 : x
  2. Step 2: Convert to fraction form
    3,055,788.40/4,216,986.82 = 1,679,220.80/x
  3. Step 3: Cross multiply
    3,055,788.40x = 4,216,986.82 × 1,679,220.80
  4. Step 4: Simplify right side
    3,055,788.40x = 7,081,251,981,469.86
  5. Step 5: Solve for x
    x = 7,081,251,981,469.86/3,055,788.40
  6. Step 6: Final answer
    x = 2,317,324.06

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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.