Home / 1,821,660.51-2,514,104.73-1,515,196.20

Finding the Fourth Proportional to 1,821,660.51, 2,514,104.73 and 1,515,196.20

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Solution

The fourth proportional to 1,821,660.51, 2,514,104.73 and 1,515,196.20 is: 2,091,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,660.51 : 2,514,104.73 = 1,515,196.20 : x
  2. Step 2: Convert to fraction form
    1,821,660.51/2,514,104.73 = 1,515,196.20/x
  3. Step 3: Cross multiply
    1,821,660.51x = 2,514,104.73 × 1,515,196.20
  4. Step 4: Simplify right side
    1,821,660.51x = 3,809,361,933,298.03
  5. Step 5: Solve for x
    x = 3,809,361,933,298.03/1,821,660.51
  6. Step 6: Final answer
    x = 2,091,148.11

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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.