Home / 2,315,814.96-3,195,787.32-1,297,216.56

Finding the Fourth Proportional to 2,315,814.96, 3,195,787.32 and 1,297,216.56

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Solution

The fourth proportional to 2,315,814.96, 3,195,787.32 and 1,297,216.56 is: 1,790,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,814.96 : 3,195,787.32 = 1,297,216.56 : x
  2. Step 2: Convert to fraction form
    2,315,814.96/3,195,787.32 = 1,297,216.56/x
  3. Step 3: Cross multiply
    2,315,814.96x = 3,195,787.32 × 1,297,216.56
  4. Step 4: Simplify right side
    2,315,814.96x = 4,145,628,233,742.02
  5. Step 5: Solve for x
    x = 4,145,628,233,742.02/2,315,814.96
  6. Step 6: Final answer
    x = 1,790,137.95

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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.