Home / 3,990,632.72-5,986,512.84-1,294,052

Finding the Fourth Proportional to 3,990,632.72, 5,986,512.84 and 1,294,052

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Solution

The fourth proportional to 3,990,632.72, 5,986,512.84 and 1,294,052 is: 1,941,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,632.72 : 5,986,512.84 = 1,294,052 : x
  2. Step 2: Convert to fraction form
    3,990,632.72/5,986,512.84 = 1,294,052/x
  3. Step 3: Cross multiply
    3,990,632.72x = 5,986,512.84 × 1,294,052
  4. Step 4: Simplify right side
    3,990,632.72x = 7,746,858,913,627.68
  5. Step 5: Solve for x
    x = 7,746,858,913,627.68/3,990,632.72
  6. Step 6: Final answer
    x = 1,941,260.81

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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.