Home / 2,992,552.78-4,489,459.95-970,639.39

Finding the Fourth Proportional to 2,992,552.78, 4,489,459.95 and 970,639.39

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Solution

The fourth proportional to 2,992,552.78, 4,489,459.95 and 970,639.39 is: 1,456,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,552.78 : 4,489,459.95 = 970,639.39 : x
  2. Step 2: Convert to fraction form
    2,992,552.78/4,489,459.95 = 970,639.39/x
  3. Step 3: Cross multiply
    2,992,552.78x = 4,489,459.95 × 970,639.39
  4. Step 4: Simplify right side
    2,992,552.78x = 4,357,646,667,297.43
  5. Step 5: Solve for x
    x = 4,357,646,667,297.43/2,992,552.78
  6. Step 6: Final answer
    x = 1,456,163.68

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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.