Home / 3,777,628.52-5,212,489.10-2,123,555.31

Finding the Fourth Proportional to 3,777,628.52, 5,212,489.10 and 2,123,555.31

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Solution

The fourth proportional to 3,777,628.52, 5,212,489.10 and 2,123,555.31 is: 2,930,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,628.52 : 5,212,489.10 = 2,123,555.31 : x
  2. Step 2: Convert to fraction form
    3,777,628.52/5,212,489.10 = 2,123,555.31/x
  3. Step 3: Cross multiply
    3,777,628.52x = 5,212,489.10 × 2,123,555.31
  4. Step 4: Simplify right side
    3,777,628.52x = 11,069,008,896,004.34
  5. Step 5: Solve for x
    x = 11,069,008,896,004.34/3,777,628.52
  6. Step 6: Final answer
    x = 2,930,147.53

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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.