Home / 3,387,865.86-5,080,721.02-1,112,862.44

Finding the Fourth Proportional to 3,387,865.86, 5,080,721.02 and 1,112,862.44

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Solution

The fourth proportional to 3,387,865.86, 5,080,721.02 and 1,112,862.44 is: 1,668,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,865.86 : 5,080,721.02 = 1,112,862.44 : x
  2. Step 2: Convert to fraction form
    3,387,865.86/5,080,721.02 = 1,112,862.44/x
  3. Step 3: Cross multiply
    3,387,865.86x = 5,080,721.02 × 1,112,862.44
  4. Step 4: Simplify right side
    3,387,865.86x = 5,654,143,591,276.49
  5. Step 5: Solve for x
    x = 5,654,143,591,276.49/3,387,865.86
  6. Step 6: Final answer
    x = 1,668,939.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.