Home / 1,987,720.40-2,981,606.52-567,822.80

Finding the Fourth Proportional to 1,987,720.40, 2,981,606.52 and 567,822.80

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Solution

The fourth proportional to 1,987,720.40, 2,981,606.52 and 567,822.80 is: 851,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,720.40 : 2,981,606.52 = 567,822.80 : x
  2. Step 2: Convert to fraction form
    1,987,720.40/2,981,606.52 = 567,822.80/x
  3. Step 3: Cross multiply
    1,987,720.40x = 2,981,606.52 × 567,822.80
  4. Step 4: Simplify right side
    1,987,720.40x = 1,693,024,162,684.66
  5. Step 5: Solve for x
    x = 1,693,024,162,684.66/1,987,720.40
  6. Step 6: Final answer
    x = 851,741.60

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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.