Home / 2,245,556.31-3,098,831.54-1,226,939.19

Finding the Fourth Proportional to 2,245,556.31, 3,098,831.54 and 1,226,939.19

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Solution

The fourth proportional to 2,245,556.31, 3,098,831.54 and 1,226,939.19 is: 1,693,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,556.31 : 3,098,831.54 = 1,226,939.19 : x
  2. Step 2: Convert to fraction form
    2,245,556.31/3,098,831.54 = 1,226,939.19/x
  3. Step 3: Cross multiply
    2,245,556.31x = 3,098,831.54 × 1,226,939.19
  4. Step 4: Simplify right side
    2,245,556.31x = 3,802,077,859,634.05
  5. Step 5: Solve for x
    x = 3,802,077,859,634.05/2,245,556.31
  6. Step 6: Final answer
    x = 1,693,156.32

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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.