Home / 5,228,814.82-7,215,939.48-2,905,805.26

Finding the Fourth Proportional to 5,228,814.82, 7,215,939.48 and 2,905,805.26

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Solution

The fourth proportional to 5,228,814.82, 7,215,939.48 and 2,905,805.26 is: 4,010,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,814.82 : 7,215,939.48 = 2,905,805.26 : x
  2. Step 2: Convert to fraction form
    5,228,814.82/7,215,939.48 = 2,905,805.26/x
  3. Step 3: Cross multiply
    5,228,814.82x = 7,215,939.48 × 2,905,805.26
  4. Step 4: Simplify right side
    5,228,814.82x = 20,968,114,896,825.66
  5. Step 5: Solve for x
    x = 20,968,114,896,825.66/5,228,814.82
  6. Step 6: Final answer
    x = 4,010,108.53

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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.