Home / 2,118,087.63-3,177,104.11-520,664.56

Finding the Fourth Proportional to 2,118,087.63, 3,177,104.11 and 520,664.56

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Solution

The fourth proportional to 2,118,087.63, 3,177,104.11 and 520,664.56 is: 780,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,087.63 : 3,177,104.11 = 520,664.56 : x
  2. Step 2: Convert to fraction form
    2,118,087.63/3,177,104.11 = 520,664.56/x
  3. Step 3: Cross multiply
    2,118,087.63x = 3,177,104.11 × 520,664.56
  4. Step 4: Simplify right side
    2,118,087.63x = 1,654,205,504,262.92
  5. Step 5: Solve for x
    x = 1,654,205,504,262.92/2,118,087.63
  6. Step 6: Final answer
    x = 780,990.12

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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.