Home / 3,268,021.42-4,898,655.91-1,245,722.55

Finding the Fourth Proportional to 3,268,021.42, 4,898,655.91 and 1,245,722.55

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Solution

The fourth proportional to 3,268,021.42, 4,898,655.91 and 1,245,722.55 is: 1,867,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,021.42 : 4,898,655.91 = 1,245,722.55 : x
  2. Step 2: Convert to fraction form
    3,268,021.42/4,898,655.91 = 1,245,722.55/x
  3. Step 3: Cross multiply
    3,268,021.42x = 4,898,655.91 × 1,245,722.55
  4. Step 4: Simplify right side
    3,268,021.42x = 6,102,366,131,777.77
  5. Step 5: Solve for x
    x = 6,102,366,131,777.77/3,268,021.42
  6. Step 6: Final answer
    x = 1,867,296.86

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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.