Home / 3,990,455.20-5,986,568.36-1,150,345.72

Finding the Fourth Proportional to 3,990,455.20, 5,986,568.36 and 1,150,345.72

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Solution

The fourth proportional to 3,990,455.20, 5,986,568.36 and 1,150,345.72 is: 1,725,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,455.20 : 5,986,568.36 = 1,150,345.72 : x
  2. Step 2: Convert to fraction form
    3,990,455.20/5,986,568.36 = 1,150,345.72/x
  3. Step 3: Cross multiply
    3,990,455.20x = 5,986,568.36 × 1,150,345.72
  4. Step 4: Simplify right side
    3,990,455.20x = 6,886,623,290,413.42
  5. Step 5: Solve for x
    x = 6,886,623,290,413.42/3,990,455.20
  6. Step 6: Final answer
    x = 1,725,773.86

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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.