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Finding the Fourth Proportional to 2,883,136.27, 3,978,811.11 and 1,594,059.88

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Solution

The fourth proportional to 2,883,136.27, 3,978,811.11 and 1,594,059.88 is: 2,199,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,136.27 : 3,978,811.11 = 1,594,059.88 : x
  2. Step 2: Convert to fraction form
    2,883,136.27/3,978,811.11 = 1,594,059.88/x
  3. Step 3: Cross multiply
    2,883,136.27x = 3,978,811.11 × 1,594,059.88
  4. Step 4: Simplify right side
    2,883,136.27x = 6,342,463,160,549.27
  5. Step 5: Solve for x
    x = 6,342,463,160,549.27/2,883,136.27
  6. Step 6: Final answer
    x = 2,199,848.56

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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.