Home / 3,990,115.81-5,986,014.83-1,294,231.29

Finding the Fourth Proportional to 3,990,115.81, 5,986,014.83 and 1,294,231.29

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Solution

The fourth proportional to 3,990,115.81, 5,986,014.83 and 1,294,231.29 is: 1,941,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,115.81 : 5,986,014.83 = 1,294,231.29 : x
  2. Step 2: Convert to fraction form
    3,990,115.81/5,986,014.83 = 1,294,231.29/x
  3. Step 3: Cross multiply
    3,990,115.81x = 5,986,014.83 × 1,294,231.29
  4. Step 4: Simplify right side
    3,990,115.81x = 7,747,287,695,390.03
  5. Step 5: Solve for x
    x = 7,747,287,695,390.03/3,990,115.81
  6. Step 6: Final answer
    x = 1,941,619.76

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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.