Home / 5,305,001.30-7,320,901.86-2,890,553.30

Finding the Fourth Proportional to 5,305,001.30, 7,320,901.86 and 2,890,553.30

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Solution

The fourth proportional to 5,305,001.30, 7,320,901.86 and 2,890,553.30 is: 3,988,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,001.30 : 7,320,901.86 = 2,890,553.30 : x
  2. Step 2: Convert to fraction form
    5,305,001.30/7,320,901.86 = 2,890,553.30/x
  3. Step 3: Cross multiply
    5,305,001.30x = 7,320,901.86 × 2,890,553.30
  4. Step 4: Simplify right side
    5,305,001.30x = 21,161,457,030,399.14
  5. Step 5: Solve for x
    x = 21,161,457,030,399.14/5,305,001.30
  6. Step 6: Final answer
    x = 3,988,963.59

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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.