Home / 2,784,119.73-3,842,623.85-1,815,568.52

Finding the Fourth Proportional to 2,784,119.73, 3,842,623.85 and 1,815,568.52

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Solution

The fourth proportional to 2,784,119.73, 3,842,623.85 and 1,815,568.52 is: 2,505,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,119.73 : 3,842,623.85 = 1,815,568.52 : x
  2. Step 2: Convert to fraction form
    2,784,119.73/3,842,623.85 = 1,815,568.52/x
  3. Step 3: Cross multiply
    2,784,119.73x = 3,842,623.85 × 1,815,568.52
  4. Step 4: Simplify right side
    2,784,119.73x = 6,976,546,867,970.24
  5. Step 5: Solve for x
    x = 6,976,546,867,970.24/2,784,119.73
  6. Step 6: Final answer
    x = 2,505,835.79

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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.