Home / 3,846,849.40-5,308,189.63-2,215,787.23

Finding the Fourth Proportional to 3,846,849.40, 5,308,189.63 and 2,215,787.23

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Solution

The fourth proportional to 3,846,849.40, 5,308,189.63 and 2,215,787.23 is: 3,057,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846,849.40 : 5,308,189.63 = 2,215,787.23 : x
  2. Step 2: Convert to fraction form
    3,846,849.40/5,308,189.63 = 2,215,787.23/x
  3. Step 3: Cross multiply
    3,846,849.40x = 5,308,189.63 × 2,215,787.23
  4. Step 4: Simplify right side
    3,846,849.40x = 11,761,818,796,572.42
  5. Step 5: Solve for x
    x = 11,761,818,796,572.42/3,846,849.40
  6. Step 6: Final answer
    x = 3,057,519.95

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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.