Home / 5,105,787.57-7,045,865.49-2,782,753.47

Finding the Fourth Proportional to 5,105,787.57, 7,045,865.49 and 2,782,753.47

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Solution

The fourth proportional to 5,105,787.57, 7,045,865.49 and 2,782,753.47 is: 3,840,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,787.57 : 7,045,865.49 = 2,782,753.47 : x
  2. Step 2: Convert to fraction form
    5,105,787.57/7,045,865.49 = 2,782,753.47/x
  3. Step 3: Cross multiply
    5,105,787.57x = 7,045,865.49 × 2,782,753.47
  4. Step 4: Simplify right side
    5,105,787.57x = 19,606,906,641,450.75
  5. Step 5: Solve for x
    x = 19,606,906,641,450.75/5,105,787.57
  6. Step 6: Final answer
    x = 3,840,133.65

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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.