Home / 4,119,209.60-6,179,275.20-1,279,299.20

Finding the Fourth Proportional to 4,119,209.60, 6,179,275.20 and 1,279,299.20

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Solution

The fourth proportional to 4,119,209.60, 6,179,275.20 and 1,279,299.20 is: 1,919,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,209.60 : 6,179,275.20 = 1,279,299.20 : x
  2. Step 2: Convert to fraction form
    4,119,209.60/6,179,275.20 = 1,279,299.20/x
  3. Step 3: Cross multiply
    4,119,209.60x = 6,179,275.20 × 1,279,299.20
  4. Step 4: Simplify right side
    4,119,209.60x = 7,905,141,819,939.84
  5. Step 5: Solve for x
    x = 7,905,141,819,939.84/4,119,209.60
  6. Step 6: Final answer
    x = 1,919,091.91

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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.