Home / 1,987,721.40-2,981,608.02-567,823.80

Finding the Fourth Proportional to 1,987,721.40, 2,981,608.02 and 567,823.80

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Solution

The fourth proportional to 1,987,721.40, 2,981,608.02 and 567,823.80 is: 851,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,721.40 : 2,981,608.02 = 567,823.80 : x
  2. Step 2: Convert to fraction form
    1,987,721.40/2,981,608.02 = 567,823.80/x
  3. Step 3: Cross multiply
    1,987,721.40x = 2,981,608.02 × 567,823.80
  4. Step 4: Simplify right side
    1,987,721.40x = 1,693,027,996,026.88
  5. Step 5: Solve for x
    x = 1,693,027,996,026.88/1,987,721.40
  6. Step 6: Final answer
    x = 851,743.10

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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.