Home / 3,944,763.90-5,917,145.85-1,818,999.90

Finding the Fourth Proportional to 3,944,763.90, 5,917,145.85 and 1,818,999.90

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Solution

The fourth proportional to 3,944,763.90, 5,917,145.85 and 1,818,999.90 is: 2,728,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,763.90 : 5,917,145.85 = 1,818,999.90 : x
  2. Step 2: Convert to fraction form
    3,944,763.90/5,917,145.85 = 1,818,999.90/x
  3. Step 3: Cross multiply
    3,944,763.90x = 5,917,145.85 × 1,818,999.90
  4. Step 4: Simplify right side
    3,944,763.90x = 10,763,287,709,435.41
  5. Step 5: Solve for x
    x = 10,763,287,709,435.41/3,944,763.90
  6. Step 6: Final answer
    x = 2,728,499.85

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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.