Home / 2,628,987.70-3,943,481.55-1,491,310.30

Finding the Fourth Proportional to 2,628,987.70, 3,943,481.55 and 1,491,310.30

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Solution

The fourth proportional to 2,628,987.70, 3,943,481.55 and 1,491,310.30 is: 2,236,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,987.70 : 3,943,481.55 = 1,491,310.30 : x
  2. Step 2: Convert to fraction form
    2,628,987.70/3,943,481.55 = 1,491,310.30/x
  3. Step 3: Cross multiply
    2,628,987.70x = 3,943,481.55 × 1,491,310.30
  4. Step 4: Simplify right side
    2,628,987.70x = 5,880,954,653,374.97
  5. Step 5: Solve for x
    x = 5,880,954,653,374.97/2,628,987.70
  6. Step 6: Final answer
    x = 2,236,965.45

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Similar ratio
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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.