Home / 3,990,304.52-5,986,297.41-1,294,419.23

Finding the Fourth Proportional to 3,990,304.52, 5,986,297.41 and 1,294,419.23

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Solution

The fourth proportional to 3,990,304.52, 5,986,297.41 and 1,294,419.23 is: 1,941,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,304.52 : 5,986,297.41 = 1,294,419.23 : x
  2. Step 2: Convert to fraction form
    3,990,304.52/5,986,297.41 = 1,294,419.23/x
  3. Step 3: Cross multiply
    3,990,304.52x = 5,986,297.41 × 1,294,419.23
  4. Step 4: Simplify right side
    3,990,304.52x = 7,748,778,477,531.10
  5. Step 5: Solve for x
    x = 7,748,778,477,531.10/3,990,304.52
  6. Step 6: Final answer
    x = 1,941,901.54

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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.