Home / 5,305,000.80-7,320,901.17-2,890,552.80

Finding the Fourth Proportional to 5,305,000.80, 7,320,901.17 and 2,890,552.80

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Solution

The fourth proportional to 5,305,000.80, 7,320,901.17 and 2,890,552.80 is: 3,988,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,000.80 : 7,320,901.17 = 2,890,552.80 : x
  2. Step 2: Convert to fraction form
    5,305,000.80/7,320,901.17 = 2,890,552.80/x
  3. Step 3: Cross multiply
    5,305,000.80x = 7,320,901.17 × 2,890,552.80
  4. Step 4: Simplify right side
    5,305,000.80x = 21,161,451,375,466.77
  5. Step 5: Solve for x
    x = 21,161,451,375,466.77/5,305,000.80
  6. Step 6: Final answer
    x = 3,988,962.90

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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.