Home / 1,871,146.83-2,804,333.97-911,831.43

Finding the Fourth Proportional to 1,871,146.83, 2,804,333.97 and 911,831.43

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Solution

The fourth proportional to 1,871,146.83, 2,804,333.97 and 911,831.43 is: 1,366,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,146.83 : 2,804,333.97 = 911,831.43 : x
  2. Step 2: Convert to fraction form
    1,871,146.83/2,804,333.97 = 911,831.43/x
  3. Step 3: Cross multiply
    1,871,146.83x = 2,804,333.97 × 911,831.43
  4. Step 4: Simplify right side
    1,871,146.83x = 2,557,079,854,062.68
  5. Step 5: Solve for x
    x = 2,557,079,854,062.68/1,871,146.83
  6. Step 6: Final answer
    x = 1,366,584.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.