Home / 2,156,787.46-2,976,213.13-1,213,940.58

Finding the Fourth Proportional to 2,156,787.46, 2,976,213.13 and 1,213,940.58

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Solution

The fourth proportional to 2,156,787.46, 2,976,213.13 and 1,213,940.58 is: 1,675,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,787.46 : 2,976,213.13 = 1,213,940.58 : x
  2. Step 2: Convert to fraction form
    2,156,787.46/2,976,213.13 = 1,213,940.58/x
  3. Step 3: Cross multiply
    2,156,787.46x = 2,976,213.13 × 1,213,940.58
  4. Step 4: Simplify right side
    2,156,787.46x = 3,612,945,893,235.82
  5. Step 5: Solve for x
    x = 3,612,945,893,235.82/2,156,787.46
  6. Step 6: Final answer
    x = 1,675,151.57

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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.