Home / 2,136,987.76-3,200,393.04-1,236,531.82

Finding the Fourth Proportional to 2,136,987.76, 3,200,393.04 and 1,236,531.82

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Solution

The fourth proportional to 2,136,987.76, 3,200,393.04 and 1,236,531.82 is: 1,851,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,987.76 : 3,200,393.04 = 1,236,531.82 : x
  2. Step 2: Convert to fraction form
    2,136,987.76/3,200,393.04 = 1,236,531.82/x
  3. Step 3: Cross multiply
    2,136,987.76x = 3,200,393.04 × 1,236,531.82
  4. Step 4: Simplify right side
    2,136,987.76x = 3,957,387,843,104.51
  5. Step 5: Solve for x
    x = 3,957,387,843,104.51/2,136,987.76
  6. Step 6: Final answer
    x = 1,851,853.30

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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.