Home / 2,815,384.12-4,222,648.50-922,083.64

Finding the Fourth Proportional to 2,815,384.12, 4,222,648.50 and 922,083.64

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Solution

The fourth proportional to 2,815,384.12, 4,222,648.50 and 922,083.64 is: 1,382,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,384.12 : 4,222,648.50 = 922,083.64 : x
  2. Step 2: Convert to fraction form
    2,815,384.12/4,222,648.50 = 922,083.64/x
  3. Step 3: Cross multiply
    2,815,384.12x = 4,222,648.50 × 922,083.64
  4. Step 4: Simplify right side
    2,815,384.12x = 3,893,635,099,320.54
  5. Step 5: Solve for x
    x = 3,893,635,099,320.54/2,815,384.12
  6. Step 6: Final answer
    x = 1,382,985.39

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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.