Home / 3,986,574.80-5,979,862.20-3,770,920.40

Finding the Fourth Proportional to 3,986,574.80, 5,979,862.20 and 3,770,920.40

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Solution

The fourth proportional to 3,986,574.80, 5,979,862.20 and 3,770,920.40 is: 5,656,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,574.80 : 5,979,862.20 = 3,770,920.40 : x
  2. Step 2: Convert to fraction form
    3,986,574.80/5,979,862.20 = 3,770,920.40/x
  3. Step 3: Cross multiply
    3,986,574.80x = 5,979,862.20 × 3,770,920.40
  4. Step 4: Simplify right side
    3,986,574.80x = 22,549,584,359,168.88
  5. Step 5: Solve for x
    x = 22,549,584,359,168.88/3,986,574.80
  6. Step 6: Final answer
    x = 5,656,380.60

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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.