Home / 1,931,456.22-2,665,284.39-1,072,016.70

Finding the Fourth Proportional to 1,931,456.22, 2,665,284.39 and 1,072,016.70

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Solution

The fourth proportional to 1,931,456.22, 2,665,284.39 and 1,072,016.70 is: 1,479,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,456.22 : 2,665,284.39 = 1,072,016.70 : x
  2. Step 2: Convert to fraction form
    1,931,456.22/2,665,284.39 = 1,072,016.70/x
  3. Step 3: Cross multiply
    1,931,456.22x = 2,665,284.39 × 1,072,016.70
  4. Step 4: Simplify right side
    1,931,456.22x = 2,857,229,376,329.31
  5. Step 5: Solve for x
    x = 2,857,229,376,329.31/1,931,456.22
  6. Step 6: Final answer
    x = 1,479,313.56

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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.