Home / 3,863,116.15-5,331,087.12-2,120,742.16

Finding the Fourth Proportional to 3,863,116.15, 5,331,087.12 and 2,120,742.16

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Solution

The fourth proportional to 3,863,116.15, 5,331,087.12 and 2,120,742.16 is: 2,926,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,116.15 : 5,331,087.12 = 2,120,742.16 : x
  2. Step 2: Convert to fraction form
    3,863,116.15/5,331,087.12 = 2,120,742.16/x
  3. Step 3: Cross multiply
    3,863,116.15x = 5,331,087.12 × 2,120,742.16
  4. Step 4: Simplify right side
    3,863,116.15x = 11,305,861,216,704.45
  5. Step 5: Solve for x
    x = 11,305,861,216,704.45/3,863,116.15
  6. Step 6: Final answer
    x = 2,926,616.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.