Home / 1,644,678.92-2,268,400.25-1,415,619.83

Finding the Fourth Proportional to 1,644,678.92, 2,268,400.25 and 1,415,619.83

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Solution

The fourth proportional to 1,644,678.92, 2,268,400.25 and 1,415,619.83 is: 1,952,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,678.92 : 2,268,400.25 = 1,415,619.83 : x
  2. Step 2: Convert to fraction form
    1,644,678.92/2,268,400.25 = 1,415,619.83/x
  3. Step 3: Cross multiply
    1,644,678.92x = 2,268,400.25 × 1,415,619.83
  4. Step 4: Simplify right side
    1,644,678.92x = 3,211,192,368,474.01
  5. Step 5: Solve for x
    x = 3,211,192,368,474.01/1,644,678.92
  6. Step 6: Final answer
    x = 1,952,473.73

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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.