Home / 1,926,385.40-2,660,198.82-1,442,109.80

Finding the Fourth Proportional to 1,926,385.40, 2,660,198.82 and 1,442,109.80

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Solution

The fourth proportional to 1,926,385.40, 2,660,198.82 and 1,442,109.80 is: 1,991,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,385.40 : 2,660,198.82 = 1,442,109.80 : x
  2. Step 2: Convert to fraction form
    1,926,385.40/2,660,198.82 = 1,442,109.80/x
  3. Step 3: Cross multiply
    1,926,385.40x = 2,660,198.82 × 1,442,109.80
  4. Step 4: Simplify right side
    1,926,385.40x = 3,836,298,788,270.44
  5. Step 5: Solve for x
    x = 3,836,298,788,270.44/1,926,385.40
  6. Step 6: Final answer
    x = 1,991,449.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.