Home / 2,020,818.20-3,022,479.30-1,809,116.60

Finding the Fourth Proportional to 2,020,818.20, 3,022,479.30 and 1,809,116.60

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Solution

The fourth proportional to 2,020,818.20, 3,022,479.30 and 1,809,116.60 is: 2,705,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,818.20 : 3,022,479.30 = 1,809,116.60 : x
  2. Step 2: Convert to fraction form
    2,020,818.20/3,022,479.30 = 1,809,116.60/x
  3. Step 3: Cross multiply
    2,020,818.20x = 3,022,479.30 × 1,809,116.60
  4. Step 4: Simplify right side
    2,020,818.20x = 5,468,017,474,786.38
  5. Step 5: Solve for x
    x = 5,468,017,474,786.38/2,020,818.20
  6. Step 6: Final answer
    x = 2,705,843.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.