Home / 3,664,238.96-5,055,892.55-2,115,473.80

Finding the Fourth Proportional to 3,664,238.96, 5,055,892.55 and 2,115,473.80

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Solution

The fourth proportional to 3,664,238.96, 5,055,892.55 and 2,115,473.80 is: 2,918,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664,238.96 : 5,055,892.55 = 2,115,473.80 : x
  2. Step 2: Convert to fraction form
    3,664,238.96/5,055,892.55 = 2,115,473.80/x
  3. Step 3: Cross multiply
    3,664,238.96x = 5,055,892.55 × 2,115,473.80
  4. Step 4: Simplify right side
    3,664,238.96x = 10,695,608,214,562.82
  5. Step 5: Solve for x
    x = 10,695,608,214,562.82/3,664,238.96
  6. Step 6: Final answer
    x = 2,918,916.68

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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.