Home / 2,428,892.91-3,644,600.24-990,631.48

Finding the Fourth Proportional to 2,428,892.91, 3,644,600.24 and 990,631.48

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Solution

The fourth proportional to 2,428,892.91, 3,644,600.24 and 990,631.48 is: 1,486,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,892.91 : 3,644,600.24 = 990,631.48 : x
  2. Step 2: Convert to fraction form
    2,428,892.91/3,644,600.24 = 990,631.48/x
  3. Step 3: Cross multiply
    2,428,892.91x = 3,644,600.24 × 990,631.48
  4. Step 4: Simplify right side
    2,428,892.91x = 3,610,455,729,759.56
  5. Step 5: Solve for x
    x = 3,610,455,729,759.56/2,428,892.91
  6. Step 6: Final answer
    x = 1,486,461.47

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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.