Home / 2,378,843.28-3,282,720.23-1,291,092.96

Finding the Fourth Proportional to 2,378,843.28, 3,282,720.23 and 1,291,092.96

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Solution

The fourth proportional to 2,378,843.28, 3,282,720.23 and 1,291,092.96 is: 1,781,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,843.28 : 3,282,720.23 = 1,291,092.96 : x
  2. Step 2: Convert to fraction form
    2,378,843.28/3,282,720.23 = 1,291,092.96/x
  3. Step 3: Cross multiply
    2,378,843.28x = 3,282,720.23 × 1,291,092.96
  4. Step 4: Simplify right side
    2,378,843.28x = 4,238,296,978,602.58
  5. Step 5: Solve for x
    x = 4,238,296,978,602.58/2,378,843.28
  6. Step 6: Final answer
    x = 1,781,662.97

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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.