Home / 2,826,129.90-4,239,243.45-804,425.79

Finding the Fourth Proportional to 2,826,129.90, 4,239,243.45 and 804,425.79

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Solution

The fourth proportional to 2,826,129.90, 4,239,243.45 and 804,425.79 is: 1,206,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,129.90 : 4,239,243.45 = 804,425.79 : x
  2. Step 2: Convert to fraction form
    2,826,129.90/4,239,243.45 = 804,425.79/x
  3. Step 3: Cross multiply
    2,826,129.90x = 4,239,243.45 × 804,425.79
  4. Step 4: Simplify right side
    2,826,129.90x = 3,410,156,761,268.58
  5. Step 5: Solve for x
    x = 3,410,156,761,268.58/2,826,129.90
  6. Step 6: Final answer
    x = 1,206,652.52

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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.