Home / 3,957,872.74-5,461,986.27-2,238,958.78

Finding the Fourth Proportional to 3,957,872.74, 5,461,986.27 and 2,238,958.78

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Solution

The fourth proportional to 3,957,872.74, 5,461,986.27 and 2,238,958.78 is: 3,089,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,872.74 : 5,461,986.27 = 2,238,958.78 : x
  2. Step 2: Convert to fraction form
    3,957,872.74/5,461,986.27 = 2,238,958.78/x
  3. Step 3: Cross multiply
    3,957,872.74x = 5,461,986.27 × 2,238,958.78
  4. Step 4: Simplify right side
    3,957,872.74x = 12,229,162,115,455.95
  5. Step 5: Solve for x
    x = 12,229,162,115,455.95/3,957,872.74
  6. Step 6: Final answer
    x = 3,089,832.07

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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.