Home / 3,081,540.21-4,252,369.89-1,686,071.64

Finding the Fourth Proportional to 3,081,540.21, 4,252,369.89 and 1,686,071.64

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Solution

The fourth proportional to 3,081,540.21, 4,252,369.89 and 1,686,071.64 is: 2,326,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,540.21 : 4,252,369.89 = 1,686,071.64 : x
  2. Step 2: Convert to fraction form
    3,081,540.21/4,252,369.89 = 1,686,071.64/x
  3. Step 3: Cross multiply
    3,081,540.21x = 4,252,369.89 × 1,686,071.64
  4. Step 4: Simplify right side
    3,081,540.21x = 7,169,800,274,318.92
  5. Step 5: Solve for x
    x = 7,169,800,274,318.92/3,081,540.21
  6. Step 6: Final answer
    x = 2,326,693.73

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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.