Home / 3,908,720.25-5,394,255.39-2,190,394.35

Finding the Fourth Proportional to 3,908,720.25, 5,394,255.39 and 2,190,394.35

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Solution

The fourth proportional to 3,908,720.25, 5,394,255.39 and 2,190,394.35 is: 3,022,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,720.25 : 5,394,255.39 = 2,190,394.35 : x
  2. Step 2: Convert to fraction form
    3,908,720.25/5,394,255.39 = 2,190,394.35/x
  3. Step 3: Cross multiply
    3,908,720.25x = 5,394,255.39 × 2,190,394.35
  4. Step 4: Simplify right side
    3,908,720.25x = 11,815,546,528,713.05
  5. Step 5: Solve for x
    x = 11,815,546,528,713.05/3,908,720.25
  6. Step 6: Final answer
    x = 3,022,868.30

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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.