Home / 2,231,889-3,080,028.69-1,213,315.62

Finding the Fourth Proportional to 2,231,889, 3,080,028.69 and 1,213,315.62

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Solution

The fourth proportional to 2,231,889, 3,080,028.69 and 1,213,315.62 is: 1,674,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,889 : 3,080,028.69 = 1,213,315.62 : x
  2. Step 2: Convert to fraction form
    2,231,889/3,080,028.69 = 1,213,315.62/x
  3. Step 3: Cross multiply
    2,231,889x = 3,080,028.69 × 1,213,315.62
  4. Step 4: Simplify right side
    2,231,889x = 3,737,046,919,625.14
  5. Step 5: Solve for x
    x = 3,737,046,919,625.14/2,231,889
  6. Step 6: Final answer
    x = 1,674,387.44

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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.