Home / 1,918,238.10-2,876,297.40-1,206,743.82

Finding the Fourth Proportional to 1,918,238.10, 2,876,297.40 and 1,206,743.82

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Solution

The fourth proportional to 1,918,238.10, 2,876,297.40 and 1,206,743.82 is: 1,809,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,238.10 : 2,876,297.40 = 1,206,743.82 : x
  2. Step 2: Convert to fraction form
    1,918,238.10/2,876,297.40 = 1,206,743.82/x
  3. Step 3: Cross multiply
    1,918,238.10x = 2,876,297.40 × 1,206,743.82
  4. Step 4: Simplify right side
    1,918,238.10x = 3,470,954,111,932.07
  5. Step 5: Solve for x
    x = 3,470,954,111,932.07/1,918,238.10
  6. Step 6: Final answer
    x = 1,809,449.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.