Home / 3,811,076.40-5,259,390.72-2,157,092.04

Finding the Fourth Proportional to 3,811,076.40, 5,259,390.72 and 2,157,092.04

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Solution

The fourth proportional to 3,811,076.40, 5,259,390.72 and 2,157,092.04 is: 2,976,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,076.40 : 5,259,390.72 = 2,157,092.04 : x
  2. Step 2: Convert to fraction form
    3,811,076.40/5,259,390.72 = 2,157,092.04/x
  3. Step 3: Cross multiply
    3,811,076.40x = 5,259,390.72 × 2,157,092.04
  4. Step 4: Simplify right side
    3,811,076.40x = 11,344,989,857,361.87
  5. Step 5: Solve for x
    x = 11,344,989,857,361.87/3,811,076.40
  6. Step 6: Final answer
    x = 2,976,846.61

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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.