Home / 2,268,914.09-3,131,061.28-1,236,431.12

Finding the Fourth Proportional to 2,268,914.09, 3,131,061.28 and 1,236,431.12

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Solution

The fourth proportional to 2,268,914.09, 3,131,061.28 and 1,236,431.12 is: 1,706,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,914.09 : 3,131,061.28 = 1,236,431.12 : x
  2. Step 2: Convert to fraction form
    2,268,914.09/3,131,061.28 = 1,236,431.12/x
  3. Step 3: Cross multiply
    2,268,914.09x = 3,131,061.28 × 1,236,431.12
  4. Step 4: Simplify right side
    2,268,914.09x = 3,871,341,586,472.65
  5. Step 5: Solve for x
    x = 3,871,341,586,472.65/2,268,914.09
  6. Step 6: Final answer
    x = 1,706,253.05

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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.