Home / 3,938,400.84-5,904,231.48-1,511,295.78

Finding the Fourth Proportional to 3,938,400.84, 5,904,231.48 and 1,511,295.78

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Solution

The fourth proportional to 3,938,400.84, 5,904,231.48 and 1,511,295.78 is: 2,265,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,400.84 : 5,904,231.48 = 1,511,295.78 : x
  2. Step 2: Convert to fraction form
    3,938,400.84/5,904,231.48 = 1,511,295.78/x
  3. Step 3: Cross multiply
    3,938,400.84x = 5,904,231.48 × 1,511,295.78
  4. Step 4: Simplify right side
    3,938,400.84x = 8,923,040,119,867.15
  5. Step 5: Solve for x
    x = 8,923,040,119,867.15/3,938,400.84
  6. Step 6: Final answer
    x = 2,265,650.57

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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.