Home / 3,121,677.78-4,682,329.82-847,151.81

Finding the Fourth Proportional to 3,121,677.78, 4,682,329.82 and 847,151.81

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Solution

The fourth proportional to 3,121,677.78, 4,682,329.82 and 847,151.81 is: 1,270,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,677.78 : 4,682,329.82 = 847,151.81 : x
  2. Step 2: Convert to fraction form
    3,121,677.78/4,682,329.82 = 847,151.81/x
  3. Step 3: Cross multiply
    3,121,677.78x = 4,682,329.82 × 847,151.81
  4. Step 4: Simplify right side
    3,121,677.78x = 3,966,644,206,221.46
  5. Step 5: Solve for x
    x = 3,966,644,206,221.46/3,121,677.78
  6. Step 6: Final answer
    x = 1,270,677.02

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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.