Home / 3,990,150.21-5,986,066.07-1,294,265.25

Finding the Fourth Proportional to 3,990,150.21, 5,986,066.07 and 1,294,265.25

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Solution

The fourth proportional to 3,990,150.21, 5,986,066.07 and 1,294,265.25 is: 1,941,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,150.21 : 5,986,066.07 = 1,294,265.25 : x
  2. Step 2: Convert to fraction form
    3,990,150.21/5,986,066.07 = 1,294,265.25/x
  3. Step 3: Cross multiply
    3,990,150.21x = 5,986,066.07 × 1,294,265.25
  4. Step 4: Simplify right side
    3,990,150.21x = 7,747,557,298,605.07
  5. Step 5: Solve for x
    x = 7,747,557,298,605.07/3,990,150.21
  6. Step 6: Final answer
    x = 1,941,670.59

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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.