Home / 3,959,949.78-5,464,730.70-2,149,113.78

Finding the Fourth Proportional to 3,959,949.78, 5,464,730.70 and 2,149,113.78

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Solution

The fourth proportional to 3,959,949.78, 5,464,730.70 and 2,149,113.78 is: 2,965,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,949.78 : 5,464,730.70 = 2,149,113.78 : x
  2. Step 2: Convert to fraction form
    3,959,949.78/5,464,730.70 = 2,149,113.78/x
  3. Step 3: Cross multiply
    3,959,949.78x = 5,464,730.70 × 2,149,113.78
  4. Step 4: Simplify right side
    3,959,949.78x = 11,744,328,051,359.04
  5. Step 5: Solve for x
    x = 11,744,328,051,359.04/3,959,949.78
  6. Step 6: Final answer
    x = 2,965,777.02

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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.