Home / 3,936,855.40-5,432,860.42-2,126,019.24

Finding the Fourth Proportional to 3,936,855.40, 5,432,860.42 and 2,126,019.24

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Solution

The fourth proportional to 3,936,855.40, 5,432,860.42 and 2,126,019.24 is: 2,933,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,855.40 : 5,432,860.42 = 2,126,019.24 : x
  2. Step 2: Convert to fraction form
    3,936,855.40/5,432,860.42 = 2,126,019.24/x
  3. Step 3: Cross multiply
    3,936,855.40x = 5,432,860.42 × 2,126,019.24
  4. Step 4: Simplify right side
    3,936,855.40x = 11,550,365,781,154.48
  5. Step 5: Solve for x
    x = 11,550,365,781,154.48/3,936,855.40
  6. Step 6: Final answer
    x = 2,933,906.53

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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.