Home / 3,680,942.52-5,078,385.84-2,131,358.52

Finding the Fourth Proportional to 3,680,942.52, 5,078,385.84 and 2,131,358.52

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Solution

The fourth proportional to 3,680,942.52, 5,078,385.84 and 2,131,358.52 is: 2,940,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,942.52 : 5,078,385.84 = 2,131,358.52 : x
  2. Step 2: Convert to fraction form
    3,680,942.52/5,078,385.84 = 2,131,358.52/x
  3. Step 3: Cross multiply
    3,680,942.52x = 5,078,385.84 × 2,131,358.52
  4. Step 4: Simplify right side
    3,680,942.52x = 10,823,860,927,931.36
  5. Step 5: Solve for x
    x = 10,823,860,927,931.36/3,680,942.52
  6. Step 6: Final answer
    x = 2,940,513.43

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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.