Home / 2,215,145.70-3,322,718.55-1,207,376.10

Finding the Fourth Proportional to 2,215,145.70, 3,322,718.55 and 1,207,376.10

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Solution

The fourth proportional to 2,215,145.70, 3,322,718.55 and 1,207,376.10 is: 1,811,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,145.70 : 3,322,718.55 = 1,207,376.10 : x
  2. Step 2: Convert to fraction form
    2,215,145.70/3,322,718.55 = 1,207,376.10/x
  3. Step 3: Cross multiply
    2,215,145.70x = 3,322,718.55 × 1,207,376.10
  4. Step 4: Simplify right side
    2,215,145.70x = 4,011,770,964,296.66
  5. Step 5: Solve for x
    x = 4,011,770,964,296.66/2,215,145.70
  6. Step 6: Final answer
    x = 1,811,064.15

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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.