Home / 2,158,477.28-2,978,545.92-1,191,452.48

Finding the Fourth Proportional to 2,158,477.28, 2,978,545.92 and 1,191,452.48

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Solution

The fourth proportional to 2,158,477.28, 2,978,545.92 and 1,191,452.48 is: 1,644,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,477.28 : 2,978,545.92 = 1,191,452.48 : x
  2. Step 2: Convert to fraction form
    2,158,477.28/2,978,545.92 = 1,191,452.48/x
  3. Step 3: Cross multiply
    2,158,477.28x = 2,978,545.92 × 1,191,452.48
  4. Step 4: Simplify right side
    2,158,477.28x = 3,548,795,923,177.88
  5. Step 5: Solve for x
    x = 3,548,795,923,177.88/2,158,477.28
  6. Step 6: Final answer
    x = 1,644,120.12

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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.