Home / 1,805,297.22-2,491,287.84-978,353.01

Finding the Fourth Proportional to 1,805,297.22, 2,491,287.84 and 978,353.01

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Solution

The fourth proportional to 1,805,297.22, 2,491,287.84 and 978,353.01 is: 1,350,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,297.22 : 2,491,287.84 = 978,353.01 : x
  2. Step 2: Convert to fraction form
    1,805,297.22/2,491,287.84 = 978,353.01/x
  3. Step 3: Cross multiply
    1,805,297.22x = 2,491,287.84 × 978,353.01
  4. Step 4: Simplify right side
    1,805,297.22x = 2,437,358,957,040.40
  5. Step 5: Solve for x
    x = 2,437,358,957,040.40/1,805,297.22
  6. Step 6: Final answer
    x = 1,350,115.06

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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.