Home / 2,809,060.35-3,876,521.39-1,647,270.12

Finding the Fourth Proportional to 2,809,060.35, 3,876,521.39 and 1,647,270.12

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Solution

The fourth proportional to 2,809,060.35, 3,876,521.39 and 1,647,270.12 is: 2,273,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,060.35 : 3,876,521.39 = 1,647,270.12 : x
  2. Step 2: Convert to fraction form
    2,809,060.35/3,876,521.39 = 1,647,270.12/x
  3. Step 3: Cross multiply
    2,809,060.35x = 3,876,521.39 × 1,647,270.12
  4. Step 4: Simplify right side
    2,809,060.35x = 6,385,677,855,287.87
  5. Step 5: Solve for x
    x = 6,385,677,855,287.87/2,809,060.35
  6. Step 6: Final answer
    x = 2,273,243.38

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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.