Home / 3,855,657.43-5,321,114.42-2,136,942.55

Finding the Fourth Proportional to 3,855,657.43, 5,321,114.42 and 2,136,942.55

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Solution

The fourth proportional to 3,855,657.43, 5,321,114.42 and 2,136,942.55 is: 2,949,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,657.43 : 5,321,114.42 = 2,136,942.55 : x
  2. Step 2: Convert to fraction form
    3,855,657.43/5,321,114.42 = 2,136,942.55/x
  3. Step 3: Cross multiply
    3,855,657.43x = 5,321,114.42 × 2,136,942.55
  4. Step 4: Simplify right side
    3,855,657.43x = 11,370,915,806,831.86
  5. Step 5: Solve for x
    x = 11,370,915,806,831.86/3,855,657.43
  6. Step 6: Final answer
    x = 2,949,150.96

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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.