Home / 3,186,121-4,396,833.72-1,735,811.92

Finding the Fourth Proportional to 3,186,121, 4,396,833.72 and 1,735,811.92

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Solution

The fourth proportional to 3,186,121, 4,396,833.72 and 1,735,811.92 is: 2,395,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,121 : 4,396,833.72 = 1,735,811.92 : x
  2. Step 2: Convert to fraction form
    3,186,121/4,396,833.72 = 1,735,811.92/x
  3. Step 3: Cross multiply
    3,186,121x = 4,396,833.72 × 1,735,811.92
  4. Step 4: Simplify right side
    3,186,121x = 7,632,076,381,433.94
  5. Step 5: Solve for x
    x = 7,632,076,381,433.94/3,186,121
  6. Step 6: Final answer
    x = 2,395,413.23

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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.