Home / 4,119,439.60-6,179,620.20-1,279,529.20

Finding the Fourth Proportional to 4,119,439.60, 6,179,620.20 and 1,279,529.20

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Solution

The fourth proportional to 4,119,439.60, 6,179,620.20 and 1,279,529.20 is: 1,919,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,439.60 : 6,179,620.20 = 1,279,529.20 : x
  2. Step 2: Convert to fraction form
    4,119,439.60/6,179,620.20 = 1,279,529.20/x
  3. Step 3: Cross multiply
    4,119,439.60x = 6,179,620.20 × 1,279,529.20
  4. Step 4: Simplify right side
    4,119,439.60x = 7,907,004,490,809.84
  5. Step 5: Solve for x
    x = 7,907,004,490,809.84/4,119,439.60
  6. Step 6: Final answer
    x = 1,919,436.93

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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.