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Finding the Fourth Proportional to 3,194,404.80, 4,784,608.80 and 2,774,500.80

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Solution

The fourth proportional to 3,194,404.80, 4,784,608.80 and 2,774,500.80 is: 4,155,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194,404.80 : 4,784,608.80 = 2,774,500.80 : x
  2. Step 2: Convert to fraction form
    3,194,404.80/4,784,608.80 = 2,774,500.80/x
  3. Step 3: Cross multiply
    3,194,404.80x = 4,784,608.80 × 2,774,500.80
  4. Step 4: Simplify right side
    3,194,404.80x = 13,274,900,943,287.04
  5. Step 5: Solve for x
    x = 13,274,900,943,287.04/3,194,404.80
  6. Step 6: Final answer
    x = 4,155,672.74

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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.