Home / 3,830,540.10-5,286,110.67-2,111,660.64

Finding the Fourth Proportional to 3,830,540.10, 5,286,110.67 and 2,111,660.64

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Solution

The fourth proportional to 3,830,540.10, 5,286,110.67 and 2,111,660.64 is: 2,914,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,540.10 : 5,286,110.67 = 2,111,660.64 : x
  2. Step 2: Convert to fraction form
    3,830,540.10/5,286,110.67 = 2,111,660.64/x
  3. Step 3: Cross multiply
    3,830,540.10x = 5,286,110.67 × 2,111,660.64
  4. Step 4: Simplify right side
    3,830,540.10x = 11,162,471,840,523.03
  5. Step 5: Solve for x
    x = 11,162,471,840,523.03/3,830,540.10
  6. Step 6: Final answer
    x = 2,914,072.57

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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.