Home / 2,784,122.23-3,842,627.30-1,815,571.02

Finding the Fourth Proportional to 2,784,122.23, 3,842,627.30 and 1,815,571.02

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Solution

The fourth proportional to 2,784,122.23, 3,842,627.30 and 1,815,571.02 is: 2,505,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,122.23 : 3,842,627.30 = 1,815,571.02 : x
  2. Step 2: Convert to fraction form
    2,784,122.23/3,842,627.30 = 1,815,571.02/x
  3. Step 3: Cross multiply
    2,784,122.23x = 3,842,627.30 × 1,815,571.02
  4. Step 4: Simplify right side
    2,784,122.23x = 6,976,562,766,540.85
  5. Step 5: Solve for x
    x = 6,976,562,766,540.85/2,784,122.23
  6. Step 6: Final answer
    x = 2,505,839.25

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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.