Home / 4,032,128.80-6,040,028.40-2,511,143.20

Finding the Fourth Proportional to 4,032,128.80, 6,040,028.40 and 2,511,143.20

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Solution

The fourth proportional to 4,032,128.80, 6,040,028.40 and 2,511,143.20 is: 3,761,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032,128.80 : 6,040,028.40 = 2,511,143.20 : x
  2. Step 2: Convert to fraction form
    4,032,128.80/6,040,028.40 = 2,511,143.20/x
  3. Step 3: Cross multiply
    4,032,128.80x = 6,040,028.40 × 2,511,143.20
  4. Step 4: Simplify right side
    4,032,128.80x = 15,167,376,244,466.88
  5. Step 5: Solve for x
    x = 15,167,376,244,466.88/4,032,128.80
  6. Step 6: Final answer
    x = 3,761,629.90

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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.