Home / 2,399,579.56-3,311,431.50-1,311,851.19

Finding the Fourth Proportional to 2,399,579.56, 3,311,431.50 and 1,311,851.19

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Solution

The fourth proportional to 2,399,579.56, 3,311,431.50 and 1,311,851.19 is: 1,810,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,579.56 : 3,311,431.50 = 1,311,851.19 : x
  2. Step 2: Convert to fraction form
    2,399,579.56/3,311,431.50 = 1,311,851.19/x
  3. Step 3: Cross multiply
    2,399,579.56x = 3,311,431.50 × 1,311,851.19
  4. Step 4: Simplify right side
    2,399,579.56x = 4,344,105,371,215.80
  5. Step 5: Solve for x
    x = 4,344,105,371,215.80/2,399,579.56
  6. Step 6: Final answer
    x = 1,810,361.05

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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.