Home / 1,578,715.38-2,179,623.42-1,095,111.36

Finding the Fourth Proportional to 1,578,715.38, 2,179,623.42 and 1,095,111.36

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Solution

The fourth proportional to 1,578,715.38, 2,179,623.42 and 1,095,111.36 is: 1,511,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,715.38 : 2,179,623.42 = 1,095,111.36 : x
  2. Step 2: Convert to fraction form
    1,578,715.38/2,179,623.42 = 1,095,111.36/x
  3. Step 3: Cross multiply
    1,578,715.38x = 2,179,623.42 × 1,095,111.36
  4. Step 4: Simplify right side
    1,578,715.38x = 2,386,930,367,764.05
  5. Step 5: Solve for x
    x = 2,386,930,367,764.05/1,578,715.38
  6. Step 6: Final answer
    x = 1,511,944.71

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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.