Home / 3,938,791.68-5,905,821.44-1,539,778.88

Finding the Fourth Proportional to 3,938,791.68, 5,905,821.44 and 1,539,778.88

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Solution

The fourth proportional to 3,938,791.68, 5,905,821.44 and 1,539,778.88 is: 2,308,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,791.68 : 5,905,821.44 = 1,539,778.88 : x
  2. Step 2: Convert to fraction form
    3,938,791.68/5,905,821.44 = 1,539,778.88/x
  3. Step 3: Cross multiply
    3,938,791.68x = 5,905,821.44 × 1,539,778.88
  4. Step 4: Simplify right side
    3,938,791.68x = 9,093,659,122,363.19
  5. Step 5: Solve for x
    x = 9,093,659,122,363.19/3,938,791.68
  6. Step 6: Final answer
    x = 2,308,743.36

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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.