Home / 3,981,912.12-5,495,505.30-2,263,291.02

Finding the Fourth Proportional to 3,981,912.12, 5,495,505.30 and 2,263,291.02

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Solution

The fourth proportional to 3,981,912.12, 5,495,505.30 and 2,263,291.02 is: 3,123,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,912.12 : 5,495,505.30 = 2,263,291.02 : x
  2. Step 2: Convert to fraction form
    3,981,912.12/5,495,505.30 = 2,263,291.02/x
  3. Step 3: Cross multiply
    3,981,912.12x = 5,495,505.30 × 2,263,291.02
  4. Step 4: Simplify right side
    3,981,912.12x = 12,437,927,795,852.41
  5. Step 5: Solve for x
    x = 12,437,927,795,852.41/3,981,912.12
  6. Step 6: Final answer
    x = 3,123,606.81

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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.