Home / 3,413,906.19-5,121,621.90-1,284,008.76

Finding the Fourth Proportional to 3,413,906.19, 5,121,621.90 and 1,284,008.76

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Solution

The fourth proportional to 3,413,906.19, 5,121,621.90 and 1,284,008.76 is: 1,926,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,906.19 : 5,121,621.90 = 1,284,008.76 : x
  2. Step 2: Convert to fraction form
    3,413,906.19/5,121,621.90 = 1,284,008.76/x
  3. Step 3: Cross multiply
    3,413,906.19x = 5,121,621.90 × 1,284,008.76
  4. Step 4: Simplify right side
    3,413,906.19x = 6,576,207,385,007.85
  5. Step 5: Solve for x
    x = 6,576,207,385,007.85/3,413,906.19
  6. Step 6: Final answer
    x = 1,926,299.97

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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.