Home / 2,101,121.64-3,146,632.08-1,199,834.64

Finding the Fourth Proportional to 2,101,121.64, 3,146,632.08 and 1,199,834.64

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Solution

The fourth proportional to 2,101,121.64, 3,146,632.08 and 1,199,834.64 is: 1,796,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,121.64 : 3,146,632.08 = 1,199,834.64 : x
  2. Step 2: Convert to fraction form
    2,101,121.64/3,146,632.08 = 1,199,834.64/x
  3. Step 3: Cross multiply
    2,101,121.64x = 3,146,632.08 × 1,199,834.64
  4. Step 4: Simplify right side
    2,101,121.64x = 3,775,438,168,919.25
  5. Step 5: Solve for x
    x = 3,775,438,168,919.25/2,101,121.64
  6. Step 6: Final answer
    x = 1,796,867.97

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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.