Home / 3,938,078.40-5,907,117.60-2,253,796.80

Finding the Fourth Proportional to 3,938,078.40, 5,907,117.60 and 2,253,796.80

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Solution

The fourth proportional to 3,938,078.40, 5,907,117.60 and 2,253,796.80 is: 3,380,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,078.40 : 5,907,117.60 = 2,253,796.80 : x
  2. Step 2: Convert to fraction form
    3,938,078.40/5,907,117.60 = 2,253,796.80/x
  3. Step 3: Cross multiply
    3,938,078.40x = 5,907,117.60 × 2,253,796.80
  4. Step 4: Simplify right side
    3,938,078.40x = 13,313,442,744,103.68
  5. Step 5: Solve for x
    x = 13,313,442,744,103.68/3,938,078.40
  6. Step 6: Final answer
    x = 3,380,695.20

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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.