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Finding the Fourth Proportional to 2,882,900.45, 3,978,485.66 and 1,593,823.86

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Solution

The fourth proportional to 2,882,900.45, 3,978,485.66 and 1,593,823.86 is: 2,199,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882,900.45 : 3,978,485.66 = 1,593,823.86 : x
  2. Step 2: Convert to fraction form
    2,882,900.45/3,978,485.66 = 1,593,823.86/x
  3. Step 3: Cross multiply
    2,882,900.45x = 3,978,485.66 × 1,593,823.86
  4. Step 4: Simplify right side
    2,882,900.45x = 6,341,005,375,560.41
  5. Step 5: Solve for x
    x = 6,341,005,375,560.41/2,882,900.45
  6. Step 6: Final answer
    x = 2,199,522.83

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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.