Home / 2,255,238.11-3,109,217.86-1,791,630.25

Finding the Fourth Proportional to 2,255,238.11, 3,109,217.86 and 1,791,630.25

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Solution

The fourth proportional to 2,255,238.11, 3,109,217.86 and 1,791,630.25 is: 2,470,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,238.11 : 3,109,217.86 = 1,791,630.25 : x
  2. Step 2: Convert to fraction form
    2,255,238.11/3,109,217.86 = 1,791,630.25/x
  3. Step 3: Cross multiply
    2,255,238.11x = 3,109,217.86 × 1,791,630.25
  4. Step 4: Simplify right side
    2,255,238.11x = 5,570,568,771,816.26
  5. Step 5: Solve for x
    x = 5,570,568,771,816.26/2,255,238.11
  6. Step 6: Final answer
    x = 2,470,057.93

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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.