Home / 1,938,469.22-2,675,914.55-1,380,023.53

Finding the Fourth Proportional to 1,938,469.22, 2,675,914.55 and 1,380,023.53

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Solution

The fourth proportional to 1,938,469.22, 2,675,914.55 and 1,380,023.53 is: 1,905,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,469.22 : 2,675,914.55 = 1,380,023.53 : x
  2. Step 2: Convert to fraction form
    1,938,469.22/2,675,914.55 = 1,380,023.53/x
  3. Step 3: Cross multiply
    1,938,469.22x = 2,675,914.55 × 1,380,023.53
  4. Step 4: Simplify right side
    1,938,469.22x = 3,692,825,043,269.36
  5. Step 5: Solve for x
    x = 3,692,825,043,269.36/1,938,469.22
  6. Step 6: Final answer
    x = 1,905,021.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.