Home / 4,021,986.60-5,550,377.67-2,186,448.48

Finding the Fourth Proportional to 4,021,986.60, 5,550,377.67 and 2,186,448.48

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Solution

The fourth proportional to 4,021,986.60, 5,550,377.67 and 2,186,448.48 is: 3,017,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,986.60 : 5,550,377.67 = 2,186,448.48 : x
  2. Step 2: Convert to fraction form
    4,021,986.60/5,550,377.67 = 2,186,448.48/x
  3. Step 3: Cross multiply
    4,021,986.60x = 5,550,377.67 × 2,186,448.48
  4. Step 4: Simplify right side
    4,021,986.60x = 12,135,614,819,997.44
  5. Step 5: Solve for x
    x = 12,135,614,819,997.44/4,021,986.60
  6. Step 6: Final answer
    x = 3,017,318.56

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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.