Home / 2,279,873.39-3,419,807.31-1,081,141.70

Finding the Fourth Proportional to 2,279,873.39, 3,419,807.31 and 1,081,141.70

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Solution

The fourth proportional to 2,279,873.39, 3,419,807.31 and 1,081,141.70 is: 1,621,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,873.39 : 3,419,807.31 = 1,081,141.70 : x
  2. Step 2: Convert to fraction form
    2,279,873.39/3,419,807.31 = 1,081,141.70/x
  3. Step 3: Cross multiply
    2,279,873.39x = 3,419,807.31 × 1,081,141.70
  4. Step 4: Simplify right side
    2,279,873.39x = 3,697,296,271,706.79
  5. Step 5: Solve for x
    x = 3,697,296,271,706.79/2,279,873.39
  6. Step 6: Final answer
    x = 1,621,711.23

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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.