Home / 2,721,879.02-4,083,408.98-828,571.25

Finding the Fourth Proportional to 2,721,879.02, 4,083,408.98 and 828,571.25

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Solution

The fourth proportional to 2,721,879.02, 4,083,408.98 and 828,571.25 is: 1,243,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,879.02 : 4,083,408.98 = 828,571.25 : x
  2. Step 2: Convert to fraction form
    2,721,879.02/4,083,408.98 = 828,571.25/x
  3. Step 3: Cross multiply
    2,721,879.02x = 4,083,408.98 × 828,571.25
  4. Step 4: Simplify right side
    2,721,879.02x = 3,383,395,258,259.92
  5. Step 5: Solve for x
    x = 3,383,395,258,259.92/2,721,879.02
  6. Step 6: Final answer
    x = 1,243,036.61

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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.