Home / 4,119,190.80-6,179,369.40-1,279,006.80

Finding the Fourth Proportional to 4,119,190.80, 6,179,369.40 and 1,279,006.80

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Solution

The fourth proportional to 4,119,190.80, 6,179,369.40 and 1,279,006.80 is: 1,918,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,190.80 : 6,179,369.40 = 1,279,006.80 : x
  2. Step 2: Convert to fraction form
    4,119,190.80/6,179,369.40 = 1,279,006.80/x
  3. Step 3: Cross multiply
    4,119,190.80x = 6,179,369.40 × 1,279,006.80
  4. Step 4: Simplify right side
    4,119,190.80x = 7,903,455,482,311.92
  5. Step 5: Solve for x
    x = 7,903,455,482,311.92/4,119,190.80
  6. Step 6: Final answer
    x = 1,918,691.28

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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.