Home / 2,239,687.56-3,090,635.60-1,272,683.64

Finding the Fourth Proportional to 2,239,687.56, 3,090,635.60 and 1,272,683.64

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Solution

The fourth proportional to 2,239,687.56, 3,090,635.60 and 1,272,683.64 is: 1,756,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,687.56 : 3,090,635.60 = 1,272,683.64 : x
  2. Step 2: Convert to fraction form
    2,239,687.56/3,090,635.60 = 1,272,683.64/x
  3. Step 3: Cross multiply
    2,239,687.56x = 3,090,635.60 × 1,272,683.64
  4. Step 4: Simplify right side
    2,239,687.56x = 3,933,401,365,321.58
  5. Step 5: Solve for x
    x = 3,933,401,365,321.58/2,239,687.56
  6. Step 6: Final answer
    x = 1,756,227.71

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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.