Home / 2,245,128.28-3,098,275.79-1,212,635.52

Finding the Fourth Proportional to 2,245,128.28, 3,098,275.79 and 1,212,635.52

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Solution

The fourth proportional to 2,245,128.28, 3,098,275.79 and 1,212,635.52 is: 1,673,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,128.28 : 3,098,275.79 = 1,212,635.52 : x
  2. Step 2: Convert to fraction form
    2,245,128.28/3,098,275.79 = 1,212,635.52/x
  3. Step 3: Cross multiply
    2,245,128.28x = 3,098,275.79 × 1,212,635.52
  4. Step 4: Simplify right side
    2,245,128.28x = 3,757,079,267,646.88
  5. Step 5: Solve for x
    x = 3,757,079,267,646.88/2,245,128.28
  6. Step 6: Final answer
    x = 1,673,436.35

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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.