Home / 2,768,891.52-3,820,345.92-1,622,357.12

Finding the Fourth Proportional to 2,768,891.52, 3,820,345.92 and 1,622,357.12

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Solution

The fourth proportional to 2,768,891.52, 3,820,345.92 and 1,622,357.12 is: 2,238,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,891.52 : 3,820,345.92 = 1,622,357.12 : x
  2. Step 2: Convert to fraction form
    2,768,891.52/3,820,345.92 = 1,622,357.12/x
  3. Step 3: Cross multiply
    2,768,891.52x = 3,820,345.92 × 1,622,357.12
  4. Step 4: Simplify right side
    2,768,891.52x = 6,197,965,404,174.95
  5. Step 5: Solve for x
    x = 6,197,965,404,174.95/2,768,891.52
  6. Step 6: Final answer
    x = 2,238,428.40

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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.