Home / 2,239,713.20-3,089,680.80-1,422,584.16

Finding the Fourth Proportional to 2,239,713.20, 3,089,680.80 and 1,422,584.16

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Solution

The fourth proportional to 2,239,713.20, 3,089,680.80 and 1,422,584.16 is: 1,962,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,713.20 : 3,089,680.80 = 1,422,584.16 : x
  2. Step 2: Convert to fraction form
    2,239,713.20/3,089,680.80 = 1,422,584.16/x
  3. Step 3: Cross multiply
    2,239,713.20x = 3,089,680.80 × 1,422,584.16
  4. Step 4: Simplify right side
    2,239,713.20x = 4,395,330,965,536.13
  5. Step 5: Solve for x
    x = 4,395,330,965,536.13/2,239,713.20
  6. Step 6: Final answer
    x = 1,962,452.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.