Home / 3,828,649.31-5,283,571.49-2,109,831.33

Finding the Fourth Proportional to 3,828,649.31, 5,283,571.49 and 2,109,831.33

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Solution

The fourth proportional to 3,828,649.31, 5,283,571.49 and 2,109,831.33 is: 2,911,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,649.31 : 5,283,571.49 = 2,109,831.33 : x
  2. Step 2: Convert to fraction form
    3,828,649.31/5,283,571.49 = 2,109,831.33/x
  3. Step 3: Cross multiply
    3,828,649.31x = 5,283,571.49 × 2,109,831.33
  4. Step 4: Simplify right side
    3,828,649.31x = 11,147,444,663,896.78
  5. Step 5: Solve for x
    x = 11,147,444,663,896.78/3,828,649.31
  6. Step 6: Final answer
    x = 2,911,586.77

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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.