Home / 2,485,706.23-3,728,561.44-1,188,553.42

Finding the Fourth Proportional to 2,485,706.23, 3,728,561.44 and 1,188,553.42

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Solution

The fourth proportional to 2,485,706.23, 3,728,561.44 and 1,188,553.42 is: 1,782,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,706.23 : 3,728,561.44 = 1,188,553.42 : x
  2. Step 2: Convert to fraction form
    2,485,706.23/3,728,561.44 = 1,188,553.42/x
  3. Step 3: Cross multiply
    2,485,706.23x = 3,728,561.44 × 1,188,553.42
  4. Step 4: Simplify right side
    2,485,706.23x = 4,431,594,451,192.12
  5. Step 5: Solve for x
    x = 4,431,594,451,192.12/2,485,706.23
  6. Step 6: Final answer
    x = 1,782,831.13

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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.