Home / 2,378,842.43-3,282,719.20-1,291,092.21

Finding the Fourth Proportional to 2,378,842.43, 3,282,719.20 and 1,291,092.21

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Solution

The fourth proportional to 2,378,842.43, 3,282,719.20 and 1,291,092.21 is: 1,781,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,842.43 : 3,282,719.20 = 1,291,092.21 : x
  2. Step 2: Convert to fraction form
    2,378,842.43/3,282,719.20 = 1,291,092.21/x
  3. Step 3: Cross multiply
    2,378,842.43x = 3,282,719.20 × 1,291,092.21
  4. Step 4: Simplify right side
    2,378,842.43x = 4,238,293,183,509.70
  5. Step 5: Solve for x
    x = 4,238,293,183,509.70/2,378,842.43
  6. Step 6: Final answer
    x = 1,781,662.01

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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.