Home / 3,508,785.84-4,841,854.20-1,981,043.76

Finding the Fourth Proportional to 3,508,785.84, 4,841,854.20 and 1,981,043.76

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Solution

The fourth proportional to 3,508,785.84, 4,841,854.20 and 1,981,043.76 is: 2,733,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,785.84 : 4,841,854.20 = 1,981,043.76 : x
  2. Step 2: Convert to fraction form
    3,508,785.84/4,841,854.20 = 1,981,043.76/x
  3. Step 3: Cross multiply
    3,508,785.84x = 4,841,854.20 × 1,981,043.76
  4. Step 4: Simplify right side
    3,508,785.84x = 9,591,925,049,739.79
  5. Step 5: Solve for x
    x = 9,591,925,049,739.79/3,508,785.84
  6. Step 6: Final answer
    x = 2,733,687.80

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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.