Home / 6,420,229.20-9,627,544.04-2,428,341.84

Finding the Fourth Proportional to 6,420,229.20, 9,627,544.04 and 2,428,341.84

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Solution

The fourth proportional to 6,420,229.20, 9,627,544.04 and 2,428,341.84 is: 3,641,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,229.20 : 9,627,544.04 = 2,428,341.84 : x
  2. Step 2: Convert to fraction form
    6,420,229.20/9,627,544.04 = 2,428,341.84/x
  3. Step 3: Cross multiply
    6,420,229.20x = 9,627,544.04 × 2,428,341.84
  4. Step 4: Simplify right side
    6,420,229.20x = 23,378,968,008,774.63
  5. Step 5: Solve for x
    x = 23,378,968,008,774.63/6,420,229.20
  6. Step 6: Final answer
    x = 3,641,453.80

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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.