Home / 3,851,692.88-5,315,270.49-2,132,776.49

Finding the Fourth Proportional to 3,851,692.88, 5,315,270.49 and 2,132,776.49

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Solution

The fourth proportional to 3,851,692.88, 5,315,270.49 and 2,132,776.49 is: 2,943,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,692.88 : 5,315,270.49 = 2,132,776.49 : x
  2. Step 2: Convert to fraction form
    3,851,692.88/5,315,270.49 = 2,132,776.49/x
  3. Step 3: Cross multiply
    3,851,692.88x = 5,315,270.49 × 2,132,776.49
  4. Step 4: Simplify right side
    3,851,692.88x = 11,336,283,912,486.43
  5. Step 5: Solve for x
    x = 11,336,283,912,486.43/3,851,692.88
  6. Step 6: Final answer
    x = 2,943,195.18

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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.