Home / 2,727,760.20-4,089,015.90-2,120,211.60

Finding the Fourth Proportional to 2,727,760.20, 4,089,015.90 and 2,120,211.60

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Solution

The fourth proportional to 2,727,760.20, 4,089,015.90 and 2,120,211.60 is: 3,178,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,760.20 : 4,089,015.90 = 2,120,211.60 : x
  2. Step 2: Convert to fraction form
    2,727,760.20/4,089,015.90 = 2,120,211.60/x
  3. Step 3: Cross multiply
    2,727,760.20x = 4,089,015.90 × 2,120,211.60
  4. Step 4: Simplify right side
    2,727,760.20x = 8,669,578,943,764.44
  5. Step 5: Solve for x
    x = 8,669,578,943,764.44/2,727,760.20
  6. Step 6: Final answer
    x = 3,178,277.53

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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.