Home / 1,951,807.69-2,693,174.27-1,226,141.65

Finding the Fourth Proportional to 1,951,807.69, 2,693,174.27 and 1,226,141.65

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Solution

The fourth proportional to 1,951,807.69, 2,693,174.27 and 1,226,141.65 is: 1,691,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,807.69 : 2,693,174.27 = 1,226,141.65 : x
  2. Step 2: Convert to fraction form
    1,951,807.69/2,693,174.27 = 1,226,141.65/x
  3. Step 3: Cross multiply
    1,951,807.69x = 2,693,174.27 × 1,226,141.65
  4. Step 4: Simplify right side
    1,951,807.69x = 3,302,213,140,391.11
  5. Step 5: Solve for x
    x = 3,302,213,140,391.11/1,951,807.69
  6. Step 6: Final answer
    x = 1,691,874.23

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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.