Home / 2,728,920.22-3,765,843.90-1,505,199.45

Finding the Fourth Proportional to 2,728,920.22, 3,765,843.90 and 1,505,199.45

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Solution

The fourth proportional to 2,728,920.22, 3,765,843.90 and 1,505,199.45 is: 2,077,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,920.22 : 3,765,843.90 = 1,505,199.45 : x
  2. Step 2: Convert to fraction form
    2,728,920.22/3,765,843.90 = 1,505,199.45/x
  3. Step 3: Cross multiply
    2,728,920.22x = 3,765,843.90 × 1,505,199.45
  4. Step 4: Simplify right side
    2,728,920.22x = 5,668,346,167,065.86
  5. Step 5: Solve for x
    x = 5,668,346,167,065.86/2,728,920.22
  6. Step 6: Final answer
    x = 2,077,138.84

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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.