Home / 2,672,028.20-4,008,042.30-1,825,999.40

Finding the Fourth Proportional to 2,672,028.20, 4,008,042.30 and 1,825,999.40

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Solution

The fourth proportional to 2,672,028.20, 4,008,042.30 and 1,825,999.40 is: 2,738,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,028.20 : 4,008,042.30 = 1,825,999.40 : x
  2. Step 2: Convert to fraction form
    2,672,028.20/4,008,042.30 = 1,825,999.40/x
  3. Step 3: Cross multiply
    2,672,028.20x = 4,008,042.30 × 1,825,999.40
  4. Step 4: Simplify right side
    2,672,028.20x = 7,318,682,834,974.62
  5. Step 5: Solve for x
    x = 7,318,682,834,974.62/2,672,028.20
  6. Step 6: Final answer
    x = 2,738,999.10

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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.