Home / 2,287,227-3,430,149.30-689,656.44

Finding the Fourth Proportional to 2,287,227, 3,430,149.30 and 689,656.44

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Solution

The fourth proportional to 2,287,227, 3,430,149.30 and 689,656.44 is: 1,034,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,227 : 3,430,149.30 = 689,656.44 : x
  2. Step 2: Convert to fraction form
    2,287,227/3,430,149.30 = 689,656.44/x
  3. Step 3: Cross multiply
    2,287,227x = 3,430,149.30 × 689,656.44
  4. Step 4: Simplify right side
    2,287,227x = 2,365,624,554,906.49
  5. Step 5: Solve for x
    x = 2,365,624,554,906.49/2,287,227
  6. Step 6: Final answer
    x = 1,034,276.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.