Home / 2,132,115.56-2,942,035.20-1,369,202.48

Finding the Fourth Proportional to 2,132,115.56, 2,942,035.20 and 1,369,202.48

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Solution

The fourth proportional to 2,132,115.56, 2,942,035.20 and 1,369,202.48 is: 1,889,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,115.56 : 2,942,035.20 = 1,369,202.48 : x
  2. Step 2: Convert to fraction form
    2,132,115.56/2,942,035.20 = 1,369,202.48/x
  3. Step 3: Cross multiply
    2,132,115.56x = 2,942,035.20 × 1,369,202.48
  4. Step 4: Simplify right side
    2,132,115.56x = 4,028,241,892,087.30
  5. Step 5: Solve for x
    x = 4,028,241,892,087.30/2,132,115.56
  6. Step 6: Final answer
    x = 1,889,316.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.