Home / 3,268,121.40-4,902,182.10-1,670,153.40

Finding the Fourth Proportional to 3,268,121.40, 4,902,182.10 and 1,670,153.40

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Solution

The fourth proportional to 3,268,121.40, 4,902,182.10 and 1,670,153.40 is: 2,505,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,121.40 : 4,902,182.10 = 1,670,153.40 : x
  2. Step 2: Convert to fraction form
    3,268,121.40/4,902,182.10 = 1,670,153.40/x
  3. Step 3: Cross multiply
    3,268,121.40x = 4,902,182.10 × 1,670,153.40
  4. Step 4: Simplify right side
    3,268,121.40x = 8,187,396,101,734.14
  5. Step 5: Solve for x
    x = 8,187,396,101,734.14/3,268,121.40
  6. Step 6: Final answer
    x = 2,505,230.10

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Similar ratio
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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.