Home / 2,121,873.42-3,181,646.97-841,183.50

Finding the Fourth Proportional to 2,121,873.42, 3,181,646.97 and 841,183.50

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Solution

The fourth proportional to 2,121,873.42, 3,181,646.97 and 841,183.50 is: 1,261,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,873.42 : 3,181,646.97 = 841,183.50 : x
  2. Step 2: Convert to fraction form
    2,121,873.42/3,181,646.97 = 841,183.50/x
  3. Step 3: Cross multiply
    2,121,873.42x = 3,181,646.97 × 841,183.50
  4. Step 4: Simplify right side
    2,121,873.42x = 2,676,348,933,989.00
  5. Step 5: Solve for x
    x = 2,676,348,933,989.00/2,121,873.42
  6. Step 6: Final answer
    x = 1,261,314.13

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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.