Home / 2,129,227.80-3,193,841.70-867,960.60

Finding the Fourth Proportional to 2,129,227.80, 3,193,841.70 and 867,960.60

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Solution

The fourth proportional to 2,129,227.80, 3,193,841.70 and 867,960.60 is: 1,301,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,227.80 : 3,193,841.70 = 867,960.60 : x
  2. Step 2: Convert to fraction form
    2,129,227.80/3,193,841.70 = 867,960.60/x
  3. Step 3: Cross multiply
    2,129,227.80x = 3,193,841.70 × 867,960.60
  4. Step 4: Simplify right side
    2,129,227.80x = 2,772,128,758,237.02
  5. Step 5: Solve for x
    x = 2,772,128,758,237.02/2,129,227.80
  6. Step 6: Final answer
    x = 1,301,940.90

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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.