Home / 3,895,779.09-5,376,072-2,176,913.73

Finding the Fourth Proportional to 3,895,779.09, 5,376,072 and 2,176,913.73

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Solution

The fourth proportional to 3,895,779.09, 5,376,072 and 2,176,913.73 is: 3,004,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,779.09 : 5,376,072 = 2,176,913.73 : x
  2. Step 2: Convert to fraction form
    3,895,779.09/5,376,072 = 2,176,913.73/x
  3. Step 3: Cross multiply
    3,895,779.09x = 5,376,072 × 2,176,913.73
  4. Step 4: Simplify right side
    3,895,779.09x = 11,703,244,950,268.56
  5. Step 5: Solve for x
    x = 11,703,244,950,268.56/3,895,779.09
  6. Step 6: Final answer
    x = 3,004,083.31

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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.