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Finding the Fourth Proportional to 3,394,802.98, 4,684,734.44 and 1,866,910.10

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Solution

The fourth proportional to 3,394,802.98, 4,684,734.44 and 1,866,910.10 is: 2,576,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,802.98 : 4,684,734.44 = 1,866,910.10 : x
  2. Step 2: Convert to fraction form
    3,394,802.98/4,684,734.44 = 1,866,910.10/x
  3. Step 3: Cross multiply
    3,394,802.98x = 4,684,734.44 × 1,866,910.10
  4. Step 4: Simplify right side
    3,394,802.98x = 8,745,978,041,853.85
  5. Step 5: Solve for x
    x = 8,745,978,041,853.85/3,394,802.98
  6. Step 6: Final answer
    x = 2,576,284.42

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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.