Home / 4,119,175.20-6,179,929.20-1,279,574.40

Finding the Fourth Proportional to 4,119,175.20, 6,179,929.20 and 1,279,574.40

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Solution

The fourth proportional to 4,119,175.20, 6,179,929.20 and 1,279,574.40 is: 1,919,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,175.20 : 6,179,929.20 = 1,279,574.40 : x
  2. Step 2: Convert to fraction form
    4,119,175.20/6,179,929.20 = 1,279,574.40/x
  3. Step 3: Cross multiply
    4,119,175.20x = 6,179,929.20 × 1,279,574.40
  4. Step 4: Simplify right side
    4,119,175.20x = 7,907,679,198,132.48
  5. Step 5: Solve for x
    x = 7,907,679,198,132.48/4,119,175.20
  6. Step 6: Final answer
    x = 1,919,723.93

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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.