Home / 3,131,845.98-4,321,875.48-1,825,014.80

Finding the Fourth Proportional to 3,131,845.98, 4,321,875.48 and 1,825,014.80

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Solution

The fourth proportional to 3,131,845.98, 4,321,875.48 and 1,825,014.80 is: 2,518,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,845.98 : 4,321,875.48 = 1,825,014.80 : x
  2. Step 2: Convert to fraction form
    3,131,845.98/4,321,875.48 = 1,825,014.80/x
  3. Step 3: Cross multiply
    3,131,845.98x = 4,321,875.48 × 1,825,014.80
  4. Step 4: Simplify right side
    3,131,845.98x = 7,887,486,714,757.11
  5. Step 5: Solve for x
    x = 7,887,486,714,757.11/3,131,845.98
  6. Step 6: Final answer
    x = 2,518,478.48

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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.