Home / 3,959,953.78-5,464,736.22-2,149,117.78

Finding the Fourth Proportional to 3,959,953.78, 5,464,736.22 and 2,149,117.78

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Solution

The fourth proportional to 3,959,953.78, 5,464,736.22 and 2,149,117.78 is: 2,965,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,953.78 : 5,464,736.22 = 2,149,117.78 : x
  2. Step 2: Convert to fraction form
    3,959,953.78/5,464,736.22 = 2,149,117.78/x
  3. Step 3: Cross multiply
    3,959,953.78x = 5,464,736.22 × 2,149,117.78
  4. Step 4: Simplify right side
    3,959,953.78x = 11,744,361,773,411.99
  5. Step 5: Solve for x
    x = 11,744,361,773,411.99/3,959,953.78
  6. Step 6: Final answer
    x = 2,965,782.54

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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.