Home / 1,899,174.92-2,620,861.98-1,039,789.76

Finding the Fourth Proportional to 1,899,174.92, 2,620,861.98 and 1,039,789.76

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Solution

The fourth proportional to 1,899,174.92, 2,620,861.98 and 1,039,789.76 is: 1,434,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,174.92 : 2,620,861.98 = 1,039,789.76 : x
  2. Step 2: Convert to fraction form
    1,899,174.92/2,620,861.98 = 1,039,789.76/x
  3. Step 3: Cross multiply
    1,899,174.92x = 2,620,861.98 × 1,039,789.76
  4. Step 4: Simplify right side
    1,899,174.92x = 2,725,145,449,177.32
  5. Step 5: Solve for x
    x = 2,725,145,449,177.32/1,899,174.92
  6. Step 6: Final answer
    x = 1,434,910.19

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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.