Home / 2,320,330.14-3,202,057.11-1,287,838.32

Finding the Fourth Proportional to 2,320,330.14, 3,202,057.11 and 1,287,838.32

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Solution

The fourth proportional to 2,320,330.14, 3,202,057.11 and 1,287,838.32 is: 1,777,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,330.14 : 3,202,057.11 = 1,287,838.32 : x
  2. Step 2: Convert to fraction form
    2,320,330.14/3,202,057.11 = 1,287,838.32/x
  3. Step 3: Cross multiply
    2,320,330.14x = 3,202,057.11 × 1,287,838.32
  4. Step 4: Simplify right side
    2,320,330.14x = 4,123,731,849,086.46
  5. Step 5: Solve for x
    x = 4,123,731,849,086.46/2,320,330.14
  6. Step 6: Final answer
    x = 1,777,217.72

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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.