Home / 2,120,077.94-3,178,832.61-951,382.86

Finding the Fourth Proportional to 2,120,077.94, 3,178,832.61 and 951,382.86

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Solution

The fourth proportional to 2,120,077.94, 3,178,832.61 and 951,382.86 is: 1,426,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,077.94 : 3,178,832.61 = 951,382.86 : x
  2. Step 2: Convert to fraction form
    2,120,077.94/3,178,832.61 = 951,382.86/x
  3. Step 3: Cross multiply
    2,120,077.94x = 3,178,832.61 × 951,382.86
  4. Step 4: Simplify right side
    2,120,077.94x = 3,024,286,859,963.06
  5. Step 5: Solve for x
    x = 3,024,286,859,963.06/2,120,077.94
  6. Step 6: Final answer
    x = 1,426,497.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.