Home / 3,374,619.49-5,062,672.82-978,564.16

Finding the Fourth Proportional to 3,374,619.49, 5,062,672.82 and 978,564.16

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Solution

The fourth proportional to 3,374,619.49, 5,062,672.82 and 978,564.16 is: 1,468,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374,619.49 : 5,062,672.82 = 978,564.16 : x
  2. Step 2: Convert to fraction form
    3,374,619.49/5,062,672.82 = 978,564.16/x
  3. Step 3: Cross multiply
    3,374,619.49x = 5,062,672.82 × 978,564.16
  4. Step 4: Simplify right side
    3,374,619.49x = 4,954,150,175,458.13
  5. Step 5: Solve for x
    x = 4,954,150,175,458.13/3,374,619.49
  6. Step 6: Final answer
    x = 1,468,061.86

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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.