Home / 1,613,186.82-2,226,226.14-878,162.25

Finding the Fourth Proportional to 1,613,186.82, 2,226,226.14 and 878,162.25

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Solution

The fourth proportional to 1,613,186.82, 2,226,226.14 and 878,162.25 is: 1,211,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,186.82 : 2,226,226.14 = 878,162.25 : x
  2. Step 2: Convert to fraction form
    1,613,186.82/2,226,226.14 = 878,162.25/x
  3. Step 3: Cross multiply
    1,613,186.82x = 2,226,226.14 × 878,162.25
  4. Step 4: Simplify right side
    1,613,186.82x = 1,954,987,756,111.22
  5. Step 5: Solve for x
    x = 1,954,987,756,111.22/1,613,186.82
  6. Step 6: Final answer
    x = 1,211,879.33

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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.