Home / 5,239,965.72-7,231,101.66-2,916,821.40

Finding the Fourth Proportional to 5,239,965.72, 7,231,101.66 and 2,916,821.40

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Solution

The fourth proportional to 5,239,965.72, 7,231,101.66 and 2,916,821.40 is: 4,025,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,965.72 : 7,231,101.66 = 2,916,821.40 : x
  2. Step 2: Convert to fraction form
    5,239,965.72/7,231,101.66 = 2,916,821.40/x
  3. Step 3: Cross multiply
    5,239,965.72x = 7,231,101.66 × 2,916,821.40
  4. Step 4: Simplify right side
    5,239,965.72x = 21,091,832,067,463.52
  5. Step 5: Solve for x
    x = 21,091,832,067,463.52/5,239,965.72
  6. Step 6: Final answer
    x = 4,025,185.12

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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.