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Finding the Fourth Proportional to 3,499,487.86, 4,829,293.20 and 1,889,855.86

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Solution

The fourth proportional to 3,499,487.86, 4,829,293.20 and 1,889,855.86 is: 2,608,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,487.86 : 4,829,293.20 = 1,889,855.86 : x
  2. Step 2: Convert to fraction form
    3,499,487.86/4,829,293.20 = 1,889,855.86/x
  3. Step 3: Cross multiply
    3,499,487.86x = 4,829,293.20 × 1,889,855.86
  4. Step 4: Simplify right side
    3,499,487.86x = 9,126,668,048,691.88
  5. Step 5: Solve for x
    x = 9,126,668,048,691.88/3,499,487.86
  6. Step 6: Final answer
    x = 2,608,001.06

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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.