Home / 2,012,428.80-3,022,142.40-1,067,644.80

Finding the Fourth Proportional to 2,012,428.80, 3,022,142.40 and 1,067,644.80

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Solution

The fourth proportional to 2,012,428.80, 3,022,142.40 and 1,067,644.80 is: 1,603,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,428.80 : 3,022,142.40 = 1,067,644.80 : x
  2. Step 2: Convert to fraction form
    2,012,428.80/3,022,142.40 = 1,067,644.80/x
  3. Step 3: Cross multiply
    2,012,428.80x = 3,022,142.40 × 1,067,644.80
  4. Step 4: Simplify right side
    2,012,428.80x = 3,226,574,618,219.52
  5. Step 5: Solve for x
    x = 3,226,574,618,219.52/2,012,428.80
  6. Step 6: Final answer
    x = 1,603,323.61

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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.