Home / 5,315,512.80-7,968,020.40-2,617,629.60

Finding the Fourth Proportional to 5,315,512.80, 7,968,020.40 and 2,617,629.60

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Solution

The fourth proportional to 5,315,512.80, 7,968,020.40 and 2,617,629.60 is: 3,923,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,512.80 : 7,968,020.40 = 2,617,629.60 : x
  2. Step 2: Convert to fraction form
    5,315,512.80/7,968,020.40 = 2,617,629.60/x
  3. Step 3: Cross multiply
    5,315,512.80x = 7,968,020.40 × 2,617,629.60
  4. Step 4: Simplify right side
    5,315,512.80x = 20,857,326,052,443.84
  5. Step 5: Solve for x
    x = 20,857,326,052,443.84/5,315,512.80
  6. Step 6: Final answer
    x = 3,923,859.62

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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.