Home / 3,936,385.92-5,432,187.60-2,218,059.84

Finding the Fourth Proportional to 3,936,385.92, 5,432,187.60 and 2,218,059.84

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Solution

The fourth proportional to 3,936,385.92, 5,432,187.60 and 2,218,059.84 is: 3,060,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,385.92 : 5,432,187.60 = 2,218,059.84 : x
  2. Step 2: Convert to fraction form
    3,936,385.92/5,432,187.60 = 2,218,059.84/x
  3. Step 3: Cross multiply
    3,936,385.92x = 5,432,187.60 × 2,218,059.84
  4. Step 4: Simplify right side
    3,936,385.92x = 12,048,917,158,905.98
  5. Step 5: Solve for x
    x = 12,048,917,158,905.98/3,936,385.92
  6. Step 6: Final answer
    x = 3,060,908.51

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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.