Home / 1,939,830.15-2,909,745.24-591,999.66

Finding the Fourth Proportional to 1,939,830.15, 2,909,745.24 and 591,999.66

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Solution

The fourth proportional to 1,939,830.15, 2,909,745.24 and 591,999.66 is: 887,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,830.15 : 2,909,745.24 = 591,999.66 : x
  2. Step 2: Convert to fraction form
    1,939,830.15/2,909,745.24 = 591,999.66/x
  3. Step 3: Cross multiply
    1,939,830.15x = 2,909,745.24 × 591,999.66
  4. Step 4: Simplify right side
    1,939,830.15x = 1,722,568,192,766.62
  5. Step 5: Solve for x
    x = 1,722,568,192,766.62/1,939,830.15
  6. Step 6: Final answer
    x = 887,999.49

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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.