Home / 2,136,987.83-3,200,393.14-1,236,531.89

Finding the Fourth Proportional to 2,136,987.83, 3,200,393.14 and 1,236,531.89

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Solution

The fourth proportional to 2,136,987.83, 3,200,393.14 and 1,236,531.89 is: 1,851,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,987.83 : 3,200,393.14 = 1,236,531.89 : x
  2. Step 2: Convert to fraction form
    2,136,987.83/3,200,393.14 = 1,236,531.89/x
  3. Step 3: Cross multiply
    2,136,987.83x = 3,200,393.14 × 1,236,531.89
  4. Step 4: Simplify right side
    2,136,987.83x = 3,957,388,159,053.94
  5. Step 5: Solve for x
    x = 3,957,388,159,053.94/2,136,987.83
  6. Step 6: Final answer
    x = 1,851,853.40

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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.