Home / 2,181,716.84-3,268,113.78-1,778,346.56

Finding the Fourth Proportional to 2,181,716.84, 3,268,113.78 and 1,778,346.56

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Solution

The fourth proportional to 2,181,716.84, 3,268,113.78 and 1,778,346.56 is: 2,663,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,716.84 : 3,268,113.78 = 1,778,346.56 : x
  2. Step 2: Convert to fraction form
    2,181,716.84/3,268,113.78 = 1,778,346.56/x
  3. Step 3: Cross multiply
    2,181,716.84x = 3,268,113.78 × 1,778,346.56
  4. Step 4: Simplify right side
    2,181,716.84x = 5,811,838,913,190.68
  5. Step 5: Solve for x
    x = 5,811,838,913,190.68/2,181,716.84
  6. Step 6: Final answer
    x = 2,663,883.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.