Home / 2,315,043.78-3,194,893.20-1,296,439.62

Finding the Fourth Proportional to 2,315,043.78, 3,194,893.20 and 1,296,439.62

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Solution

The fourth proportional to 2,315,043.78, 3,194,893.20 and 1,296,439.62 is: 1,789,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,043.78 : 3,194,893.20 = 1,296,439.62 : x
  2. Step 2: Convert to fraction form
    2,315,043.78/3,194,893.20 = 1,296,439.62/x
  3. Step 3: Cross multiply
    2,315,043.78x = 3,194,893.20 × 1,296,439.62
  4. Step 4: Simplify right side
    2,315,043.78x = 4,141,986,126,148.58
  5. Step 5: Solve for x
    x = 4,141,986,126,148.58/2,315,043.78
  6. Step 6: Final answer
    x = 1,789,161.04

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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.