Home / 2,981,035.40-4,471,796.10-1,275,191.60

Finding the Fourth Proportional to 2,981,035.40, 4,471,796.10 and 1,275,191.60

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Solution

The fourth proportional to 2,981,035.40, 4,471,796.10 and 1,275,191.60 is: 1,912,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,035.40 : 4,471,796.10 = 1,275,191.60 : x
  2. Step 2: Convert to fraction form
    2,981,035.40/4,471,796.10 = 1,275,191.60/x
  3. Step 3: Cross multiply
    2,981,035.40x = 4,471,796.10 × 1,275,191.60
  4. Step 4: Simplify right side
    2,981,035.40x = 5,702,396,823,632.76
  5. Step 5: Solve for x
    x = 5,702,396,823,632.76/2,981,035.40
  6. Step 6: Final answer
    x = 1,912,891.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.