Home / 4,119,175.80-6,179,346.90-1,278,991.80

Finding the Fourth Proportional to 4,119,175.80, 6,179,346.90 and 1,278,991.80

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Solution

The fourth proportional to 4,119,175.80, 6,179,346.90 and 1,278,991.80 is: 1,918,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,175.80 : 6,179,346.90 = 1,278,991.80 : x
  2. Step 2: Convert to fraction form
    4,119,175.80/6,179,346.90 = 1,278,991.80/x
  3. Step 3: Cross multiply
    4,119,175.80x = 6,179,346.90 × 1,278,991.80
  4. Step 4: Simplify right side
    4,119,175.80x = 7,903,334,014,455.42
  5. Step 5: Solve for x
    x = 7,903,334,014,455.42/4,119,175.80
  6. Step 6: Final answer
    x = 1,918,668.78

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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.