Home / 2,193,111.42-3,025,278.26-1,275,239.46

Finding the Fourth Proportional to 2,193,111.42, 3,025,278.26 and 1,275,239.46

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Solution

The fourth proportional to 2,193,111.42, 3,025,278.26 and 1,275,239.46 is: 1,759,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,111.42 : 3,025,278.26 = 1,275,239.46 : x
  2. Step 2: Convert to fraction form
    2,193,111.42/3,025,278.26 = 1,275,239.46/x
  3. Step 3: Cross multiply
    2,193,111.42x = 3,025,278.26 × 1,275,239.46
  4. Step 4: Simplify right side
    2,193,111.42x = 3,857,954,231,556.11
  5. Step 5: Solve for x
    x = 3,857,954,231,556.11/2,193,111.42
  6. Step 6: Final answer
    x = 1,759,123.68

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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.