Home / 2,631,558.80-3,947,481.72-834,312.28

Finding the Fourth Proportional to 2,631,558.80, 3,947,481.72 and 834,312.28

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Solution

The fourth proportional to 2,631,558.80, 3,947,481.72 and 834,312.28 is: 1,251,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,558.80 : 3,947,481.72 = 834,312.28 : x
  2. Step 2: Convert to fraction form
    2,631,558.80/3,947,481.72 = 834,312.28/x
  3. Step 3: Cross multiply
    2,631,558.80x = 3,947,481.72 × 834,312.28
  4. Step 4: Simplify right side
    2,631,558.80x = 3,293,432,474,071.52
  5. Step 5: Solve for x
    x = 3,293,432,474,071.52/2,631,558.80
  6. Step 6: Final answer
    x = 1,251,513.92

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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.