Home / 3,992,361.86-5,990,258.38-1,297,512.92

Finding the Fourth Proportional to 3,992,361.86, 5,990,258.38 and 1,297,512.92

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Solution

The fourth proportional to 3,992,361.86, 5,990,258.38 and 1,297,512.92 is: 1,946,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,361.86 : 5,990,258.38 = 1,297,512.92 : x
  2. Step 2: Convert to fraction form
    3,992,361.86/5,990,258.38 = 1,297,512.92/x
  3. Step 3: Cross multiply
    3,992,361.86x = 5,990,258.38 × 1,297,512.92
  4. Step 4: Simplify right side
    3,992,361.86x = 7,772,437,642,188.27
  5. Step 5: Solve for x
    x = 7,772,437,642,188.27/3,992,361.86
  6. Step 6: Final answer
    x = 1,946,826.94

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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.