Home / 2,320,813.89-3,202,672.77-1,288,261.94

Finding the Fourth Proportional to 2,320,813.89, 3,202,672.77 and 1,288,261.94

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Solution

The fourth proportional to 2,320,813.89, 3,202,672.77 and 1,288,261.94 is: 1,777,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,813.89 : 3,202,672.77 = 1,288,261.94 : x
  2. Step 2: Convert to fraction form
    2,320,813.89/3,202,672.77 = 1,288,261.94/x
  3. Step 3: Cross multiply
    2,320,813.89x = 3,202,672.77 × 1,288,261.94
  4. Step 4: Simplify right side
    2,320,813.89x = 4,125,881,419,852.01
  5. Step 5: Solve for x
    x = 4,125,881,419,852.01/2,320,813.89
  6. Step 6: Final answer
    x = 1,777,773.49

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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.