Home / 3,986,276.22-5,980,360.41-1,290,601.62

Finding the Fourth Proportional to 3,986,276.22, 5,980,360.41 and 1,290,601.62

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Solution

The fourth proportional to 3,986,276.22, 5,980,360.41 and 1,290,601.62 is: 1,936,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,276.22 : 5,980,360.41 = 1,290,601.62 : x
  2. Step 2: Convert to fraction form
    3,986,276.22/5,980,360.41 = 1,290,601.62/x
  3. Step 3: Cross multiply
    3,986,276.22x = 5,980,360.41 × 1,290,601.62
  4. Step 4: Simplify right side
    3,986,276.22x = 7,718,262,833,329.87
  5. Step 5: Solve for x
    x = 7,718,262,833,329.87/3,986,276.22
  6. Step 6: Final answer
    x = 1,936,208.73

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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.