Home / 3,455,236.80-4,768,194.24-1,906,512.48

Finding the Fourth Proportional to 3,455,236.80, 4,768,194.24 and 1,906,512.48

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Solution

The fourth proportional to 3,455,236.80, 4,768,194.24 and 1,906,512.48 is: 2,630,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,236.80 : 4,768,194.24 = 1,906,512.48 : x
  2. Step 2: Convert to fraction form
    3,455,236.80/4,768,194.24 = 1,906,512.48/x
  3. Step 3: Cross multiply
    3,455,236.80x = 4,768,194.24 × 1,906,512.48
  4. Step 4: Simplify right side
    3,455,236.80x = 9,090,621,825,624.12
  5. Step 5: Solve for x
    x = 9,090,621,825,624.12/3,455,236.80
  6. Step 6: Final answer
    x = 2,630,969.27

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1.5x scale

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.