Home / 4,119,587.70-6,179,381.55-1,279,677.30

Finding the Fourth Proportional to 4,119,587.70, 6,179,381.55 and 1,279,677.30

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Solution

The fourth proportional to 4,119,587.70, 6,179,381.55 and 1,279,677.30 is: 1,919,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,587.70 : 6,179,381.55 = 1,279,677.30 : x
  2. Step 2: Convert to fraction form
    4,119,587.70/6,179,381.55 = 1,279,677.30/x
  3. Step 3: Cross multiply
    4,119,587.70x = 6,179,381.55 × 1,279,677.30
  4. Step 4: Simplify right side
    4,119,587.70x = 7,907,614,297,573.82
  5. Step 5: Solve for x
    x = 7,907,614,297,573.82/4,119,587.70
  6. Step 6: Final answer
    x = 1,919,515.95

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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.