Home / 2,231,979.04-3,080,000.28-1,213,374.88

Finding the Fourth Proportional to 2,231,979.04, 3,080,000.28 and 1,213,374.88

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Solution

The fourth proportional to 2,231,979.04, 3,080,000.28 and 1,213,374.88 is: 1,674,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,979.04 : 3,080,000.28 = 1,213,374.88 : x
  2. Step 2: Convert to fraction form
    2,231,979.04/3,080,000.28 = 1,213,374.88/x
  3. Step 3: Cross multiply
    2,231,979.04x = 3,080,000.28 × 1,213,374.88
  4. Step 4: Simplify right side
    2,231,979.04x = 3,737,194,970,144.97
  5. Step 5: Solve for x
    x = 3,737,194,970,144.97/2,231,979.04
  6. Step 6: Final answer
    x = 1,674,386.23

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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.