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Finding the Fourth Proportional to 3,616,404, 4,990,870.80 and 2,006,772

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Solution

The fourth proportional to 3,616,404, 4,990,870.80 and 2,006,772 is: 2,769,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,404 : 4,990,870.80 = 2,006,772 : x
  2. Step 2: Convert to fraction form
    3,616,404/4,990,870.80 = 2,006,772/x
  3. Step 3: Cross multiply
    3,616,404x = 4,990,870.80 × 2,006,772
  4. Step 4: Simplify right side
    3,616,404x = 10,015,539,777,057.60
  5. Step 5: Solve for x
    x = 10,015,539,777,057.60/3,616,404
  6. Step 6: Final answer
    x = 2,769,474.81

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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.