Home / 3,986,958.60-5,986,342.80-3,089,413.80

Finding the Fourth Proportional to 3,986,958.60, 5,986,342.80 and 3,089,413.80

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Solution

The fourth proportional to 3,986,958.60, 5,986,342.80 and 3,089,413.80 is: 4,638,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,958.60 : 5,986,342.80 = 3,089,413.80 : x
  2. Step 2: Convert to fraction form
    3,986,958.60/5,986,342.80 = 3,089,413.80/x
  3. Step 3: Cross multiply
    3,986,958.60x = 5,986,342.80 × 3,089,413.80
  4. Step 4: Simplify right side
    3,986,958.60x = 18,494,290,057,850.64
  5. Step 5: Solve for x
    x = 18,494,290,057,850.64/3,986,958.60
  6. Step 6: Final answer
    x = 4,638,696.29

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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.