Home / 2,086,020.70-3,129,930.23-1,126,285.84

Finding the Fourth Proportional to 2,086,020.70, 3,129,930.23 and 1,126,285.84

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Solution

The fourth proportional to 2,086,020.70, 3,129,930.23 and 1,126,285.84 is: 1,689,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,020.70 : 3,129,930.23 = 1,126,285.84 : x
  2. Step 2: Convert to fraction form
    2,086,020.70/3,129,930.23 = 1,126,285.84/x
  3. Step 3: Cross multiply
    2,086,020.70x = 3,129,930.23 × 1,126,285.84
  4. Step 4: Simplify right side
    2,086,020.70x = 3,525,196,098,236.94
  5. Step 5: Solve for x
    x = 3,525,196,098,236.94/2,086,020.70
  6. Step 6: Final answer
    x = 1,689,914.25

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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.