Home / 5,140,178.91-7,093,361.84-2,817,053.55

Finding the Fourth Proportional to 5,140,178.91, 7,093,361.84 and 2,817,053.55

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Solution

The fourth proportional to 5,140,178.91, 7,093,361.84 and 2,817,053.55 is: 3,887,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,178.91 : 7,093,361.84 = 2,817,053.55 : x
  2. Step 2: Convert to fraction form
    5,140,178.91/7,093,361.84 = 2,817,053.55/x
  3. Step 3: Cross multiply
    5,140,178.91x = 7,093,361.84 × 2,817,053.55
  4. Step 4: Simplify right side
    5,140,178.91x = 19,982,380,138,721.26
  5. Step 5: Solve for x
    x = 19,982,380,138,721.26/5,140,178.91
  6. Step 6: Final answer
    x = 3,887,487.28

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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.