Home / 2,087,836.80-3,132,046.80-889,749.60

Finding the Fourth Proportional to 2,087,836.80, 3,132,046.80 and 889,749.60

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Solution

The fourth proportional to 2,087,836.80, 3,132,046.80 and 889,749.60 is: 1,334,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,836.80 : 3,132,046.80 = 889,749.60 : x
  2. Step 2: Convert to fraction form
    2,087,836.80/3,132,046.80 = 889,749.60/x
  3. Step 3: Cross multiply
    2,087,836.80x = 3,132,046.80 × 889,749.60
  4. Step 4: Simplify right side
    2,087,836.80x = 2,786,737,387,481.28
  5. Step 5: Solve for x
    x = 2,786,737,387,481.28/2,087,836.80
  6. Step 6: Final answer
    x = 1,334,748.67

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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.