Home / 2,089,969.20-3,134,953.80-1,027,087.20

Finding the Fourth Proportional to 2,089,969.20, 3,134,953.80 and 1,027,087.20

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Solution

The fourth proportional to 2,089,969.20, 3,134,953.80 and 1,027,087.20 is: 1,540,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,969.20 : 3,134,953.80 = 1,027,087.20 : x
  2. Step 2: Convert to fraction form
    2,089,969.20/3,134,953.80 = 1,027,087.20/x
  3. Step 3: Cross multiply
    2,089,969.20x = 3,134,953.80 × 1,027,087.20
  4. Step 4: Simplify right side
    2,089,969.20x = 3,219,870,920,571.36
  5. Step 5: Solve for x
    x = 3,219,870,920,571.36/2,089,969.20
  6. Step 6: Final answer
    x = 1,540,630.80

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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.