Home / 2,257,538.80-3,386,825.34-978,361.03

Finding the Fourth Proportional to 2,257,538.80, 3,386,825.34 and 978,361.03

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Solution

The fourth proportional to 2,257,538.80, 3,386,825.34 and 978,361.03 is: 1,467,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,538.80 : 3,386,825.34 = 978,361.03 : x
  2. Step 2: Convert to fraction form
    2,257,538.80/3,386,825.34 = 978,361.03/x
  3. Step 3: Cross multiply
    2,257,538.80x = 3,386,825.34 × 978,361.03
  4. Step 4: Simplify right side
    2,257,538.80x = 3,313,537,928,072.50
  5. Step 5: Solve for x
    x = 3,313,537,928,072.50/2,257,538.80
  6. Step 6: Final answer
    x = 1,467,765.66

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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.