Home / 2,203,390.83-3,040,611.09-1,223,308.65

Finding the Fourth Proportional to 2,203,390.83, 3,040,611.09 and 1,223,308.65

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Solution

The fourth proportional to 2,203,390.83, 3,040,611.09 and 1,223,308.65 is: 1,688,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203,390.83 : 3,040,611.09 = 1,223,308.65 : x
  2. Step 2: Convert to fraction form
    2,203,390.83/3,040,611.09 = 1,223,308.65/x
  3. Step 3: Cross multiply
    2,203,390.83x = 3,040,611.09 × 1,223,308.65
  4. Step 4: Simplify right side
    2,203,390.83x = 3,719,605,847,682.93
  5. Step 5: Solve for x
    x = 3,719,605,847,682.93/2,203,390.83
  6. Step 6: Final answer
    x = 1,688,128.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.