Home / 3,280,833.68-4,529,789.16-2,122,088.72

Finding the Fourth Proportional to 3,280,833.68, 4,529,789.16 and 2,122,088.72

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Solution

The fourth proportional to 3,280,833.68, 4,529,789.16 and 2,122,088.72 is: 2,929,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,833.68 : 4,529,789.16 = 2,122,088.72 : x
  2. Step 2: Convert to fraction form
    3,280,833.68/4,529,789.16 = 2,122,088.72/x
  3. Step 3: Cross multiply
    3,280,833.68x = 4,529,789.16 × 2,122,088.72
  4. Step 4: Simplify right side
    3,280,833.68x = 9,612,614,480,414.28
  5. Step 5: Solve for x
    x = 9,612,614,480,414.28/3,280,833.68
  6. Step 6: Final answer
    x = 2,929,930.44

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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.