Home / 3,107,865.96-4,661,792.44-978,136.20

Finding the Fourth Proportional to 3,107,865.96, 4,661,792.44 and 978,136.20

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Solution

The fourth proportional to 3,107,865.96, 4,661,792.44 and 978,136.20 is: 1,467,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,865.96 : 4,661,792.44 = 978,136.20 : x
  2. Step 2: Convert to fraction form
    3,107,865.96/4,661,792.44 = 978,136.20/x
  3. Step 3: Cross multiply
    3,107,865.96x = 4,661,792.44 × 978,136.20
  4. Step 4: Simplify right side
    3,107,865.96x = 4,559,867,942,450.33
  5. Step 5: Solve for x
    x = 4,559,867,942,450.33/3,107,865.96
  6. Step 6: Final answer
    x = 1,467,202.25

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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.