Home / 2,981,233.60-4,471,504.80-851,646.40

Finding the Fourth Proportional to 2,981,233.60, 4,471,504.80 and 851,646.40

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Solution

The fourth proportional to 2,981,233.60, 4,471,504.80 and 851,646.40 is: 1,277,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,233.60 : 4,471,504.80 = 851,646.40 : x
  2. Step 2: Convert to fraction form
    2,981,233.60/4,471,504.80 = 851,646.40/x
  3. Step 3: Cross multiply
    2,981,233.60x = 4,471,504.80 × 851,646.40
  4. Step 4: Simplify right side
    2,981,233.60x = 3,808,140,965,502.72
  5. Step 5: Solve for x
    x = 3,808,140,965,502.72/2,981,233.60
  6. Step 6: Final answer
    x = 1,277,370.87

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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.