Home / 2,804,383.20-4,206,574.80-1,311,391.20

Finding the Fourth Proportional to 2,804,383.20, 4,206,574.80 and 1,311,391.20

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Solution

The fourth proportional to 2,804,383.20, 4,206,574.80 and 1,311,391.20 is: 1,967,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,383.20 : 4,206,574.80 = 1,311,391.20 : x
  2. Step 2: Convert to fraction form
    2,804,383.20/4,206,574.80 = 1,311,391.20/x
  3. Step 3: Cross multiply
    2,804,383.20x = 4,206,574.80 × 1,311,391.20
  4. Step 4: Simplify right side
    2,804,383.20x = 5,516,465,174,861.76
  5. Step 5: Solve for x
    x = 5,516,465,174,861.76/2,804,383.20
  6. Step 6: Final answer
    x = 1,967,086.80

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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.