Home / 2,290,976.40-3,436,464.60-1,279,059.60

Finding the Fourth Proportional to 2,290,976.40, 3,436,464.60 and 1,279,059.60

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Solution

The fourth proportional to 2,290,976.40, 3,436,464.60 and 1,279,059.60 is: 1,918,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,976.40 : 3,436,464.60 = 1,279,059.60 : x
  2. Step 2: Convert to fraction form
    2,290,976.40/3,436,464.60 = 1,279,059.60/x
  3. Step 3: Cross multiply
    2,290,976.40x = 3,436,464.60 × 1,279,059.60
  4. Step 4: Simplify right side
    2,290,976.40x = 4,395,443,036,690.16
  5. Step 5: Solve for x
    x = 4,395,443,036,690.16/2,290,976.40
  6. Step 6: Final answer
    x = 1,918,589.40

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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.