Home / 1,821,662.52-2,514,107.50-1,515,198.20

Finding the Fourth Proportional to 1,821,662.52, 2,514,107.50 and 1,515,198.20

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Solution

The fourth proportional to 1,821,662.52, 2,514,107.50 and 1,515,198.20 is: 2,091,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,662.52 : 2,514,107.50 = 1,515,198.20 : x
  2. Step 2: Convert to fraction form
    1,821,662.52/2,514,107.50 = 1,515,198.20/x
  3. Step 3: Cross multiply
    1,821,662.52x = 2,514,107.50 × 1,515,198.20
  4. Step 4: Simplify right side
    1,821,662.52x = 3,809,371,158,606.50
  5. Step 5: Solve for x
    x = 3,809,371,158,606.50/1,821,662.52
  6. Step 6: Final answer
    x = 2,091,150.87

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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.