Home / 2,251,219.26-3,106,668.34-1,218,719.51

Finding the Fourth Proportional to 2,251,219.26, 3,106,668.34 and 1,218,719.51

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Solution

The fourth proportional to 2,251,219.26, 3,106,668.34 and 1,218,719.51 is: 1,681,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,219.26 : 3,106,668.34 = 1,218,719.51 : x
  2. Step 2: Convert to fraction form
    2,251,219.26/3,106,668.34 = 1,218,719.51/x
  3. Step 3: Cross multiply
    2,251,219.26x = 3,106,668.34 × 1,218,719.51
  4. Step 4: Simplify right side
    2,251,219.26x = 3,786,157,325,317.09
  5. Step 5: Solve for x
    x = 3,786,157,325,317.09/2,251,219.26
  6. Step 6: Final answer
    x = 1,681,825.22

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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.