Home / 1,815,142.41-2,722,449.87-535,687.47

Finding the Fourth Proportional to 1,815,142.41, 2,722,449.87 and 535,687.47

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Solution

The fourth proportional to 1,815,142.41, 2,722,449.87 and 535,687.47 is: 803,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,142.41 : 2,722,449.87 = 535,687.47 : x
  2. Step 2: Convert to fraction form
    1,815,142.41/2,722,449.87 = 535,687.47/x
  3. Step 3: Cross multiply
    1,815,142.41x = 2,722,449.87 × 535,687.47
  4. Step 4: Simplify right side
    1,815,142.41x = 1,458,382,283,062.13
  5. Step 5: Solve for x
    x = 1,458,382,283,062.13/1,815,142.41
  6. Step 6: Final answer
    x = 803,453.37

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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.