Home / 2,642,820.31-3,647,192.11-1,481,287.85

Finding the Fourth Proportional to 2,642,820.31, 3,647,192.11 and 1,481,287.85

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Solution

The fourth proportional to 2,642,820.31, 3,647,192.11 and 1,481,287.85 is: 2,044,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,820.31 : 3,647,192.11 = 1,481,287.85 : x
  2. Step 2: Convert to fraction form
    2,642,820.31/3,647,192.11 = 1,481,287.85/x
  3. Step 3: Cross multiply
    2,642,820.31x = 3,647,192.11 × 1,481,287.85
  4. Step 4: Simplify right side
    2,642,820.31x = 5,402,541,379,744.35
  5. Step 5: Solve for x
    x = 5,402,541,379,744.35/2,642,820.31
  6. Step 6: Final answer
    x = 2,044,233.34

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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.