Home / 3,084,642.90-4,627,910.21-1,380,220.85

Finding the Fourth Proportional to 3,084,642.90, 4,627,910.21 and 1,380,220.85

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Solution

The fourth proportional to 3,084,642.90, 4,627,910.21 and 1,380,220.85 is: 2,070,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,642.90 : 4,627,910.21 = 1,380,220.85 : x
  2. Step 2: Convert to fraction form
    3,084,642.90/4,627,910.21 = 1,380,220.85/x
  3. Step 3: Cross multiply
    3,084,642.90x = 4,627,910.21 × 1,380,220.85
  4. Step 4: Simplify right side
    3,084,642.90x = 6,387,538,168,438.55
  5. Step 5: Solve for x
    x = 6,387,538,168,438.55/3,084,642.90
  6. Step 6: Final answer
    x = 2,070,754.50

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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.