Home / 2,311,816.86-3,469,095.20-1,288,004.09

Finding the Fourth Proportional to 2,311,816.86, 3,469,095.20 and 1,288,004.09

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Solution

The fourth proportional to 2,311,816.86, 3,469,095.20 and 1,288,004.09 is: 1,932,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,816.86 : 3,469,095.20 = 1,288,004.09 : x
  2. Step 2: Convert to fraction form
    2,311,816.86/3,469,095.20 = 1,288,004.09/x
  3. Step 3: Cross multiply
    2,311,816.86x = 3,469,095.20 × 1,288,004.09
  4. Step 4: Simplify right side
    2,311,816.86x = 4,468,208,792,073.90
  5. Step 5: Solve for x
    x = 4,468,208,792,073.90/2,311,816.86
  6. Step 6: Final answer
    x = 1,932,769.36

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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.