Home / 3,862,707.05-5,331,007.63-2,231,112.56

Finding the Fourth Proportional to 3,862,707.05, 5,331,007.63 and 2,231,112.56

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Solution

The fourth proportional to 3,862,707.05, 5,331,007.63 and 2,231,112.56 is: 3,079,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,707.05 : 5,331,007.63 = 2,231,112.56 : x
  2. Step 2: Convert to fraction form
    3,862,707.05/5,331,007.63 = 2,231,112.56/x
  3. Step 3: Cross multiply
    3,862,707.05x = 5,331,007.63 × 2,231,112.56
  4. Step 4: Simplify right side
    3,862,707.05x = 11,894,078,080,748.83
  5. Step 5: Solve for x
    x = 11,894,078,080,748.83/3,862,707.05
  6. Step 6: Final answer
    x = 3,079,207.90

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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.