Home / 2,083,610.40-3,125,761.20-821,479.20

Finding the Fourth Proportional to 2,083,610.40, 3,125,761.20 and 821,479.20

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Solution

The fourth proportional to 2,083,610.40, 3,125,761.20 and 821,479.20 is: 1,232,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,610.40 : 3,125,761.20 = 821,479.20 : x
  2. Step 2: Convert to fraction form
    2,083,610.40/3,125,761.20 = 821,479.20/x
  3. Step 3: Cross multiply
    2,083,610.40x = 3,125,761.20 × 821,479.20
  4. Step 4: Simplify right side
    2,083,610.40x = 2,567,747,809,967.04
  5. Step 5: Solve for x
    x = 2,567,747,809,967.04/2,083,610.40
  6. Step 6: Final answer
    x = 1,232,355.06

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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.