Home / 3,190,391.12-4,400,540.52-1,900,231.76

Finding the Fourth Proportional to 3,190,391.12, 4,400,540.52 and 1,900,231.76

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Solution

The fourth proportional to 3,190,391.12, 4,400,540.52 and 1,900,231.76 is: 2,621,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,391.12 : 4,400,540.52 = 1,900,231.76 : x
  2. Step 2: Convert to fraction form
    3,190,391.12/4,400,540.52 = 1,900,231.76/x
  3. Step 3: Cross multiply
    3,190,391.12x = 4,400,540.52 × 1,900,231.76
  4. Step 4: Simplify right side
    3,190,391.12x = 8,362,046,857,270.91
  5. Step 5: Solve for x
    x = 8,362,046,857,270.91/3,190,391.12
  6. Step 6: Final answer
    x = 2,621,009.95

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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.