Home / 3,881,230.20-5,821,845.30-1,221,492.60

Finding the Fourth Proportional to 3,881,230.20, 5,821,845.30 and 1,221,492.60

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Solution

The fourth proportional to 3,881,230.20, 5,821,845.30 and 1,221,492.60 is: 1,832,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,230.20 : 5,821,845.30 = 1,221,492.60 : x
  2. Step 2: Convert to fraction form
    3,881,230.20/5,821,845.30 = 1,221,492.60/x
  3. Step 3: Cross multiply
    3,881,230.20x = 5,821,845.30 × 1,221,492.60
  4. Step 4: Simplify right side
    3,881,230.20x = 7,111,340,952,294.78
  5. Step 5: Solve for x
    x = 7,111,340,952,294.78/3,881,230.20
  6. Step 6: Final answer
    x = 1,832,238.90

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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.