Home / 2,320,529-3,202,280.18-1,287,976.44

Finding the Fourth Proportional to 2,320,529, 3,202,280.18 and 1,287,976.44

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Solution

The fourth proportional to 2,320,529, 3,202,280.18 and 1,287,976.44 is: 1,777,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,529 : 3,202,280.18 = 1,287,976.44 : x
  2. Step 2: Convert to fraction form
    2,320,529/3,202,280.18 = 1,287,976.44/x
  3. Step 3: Cross multiply
    2,320,529x = 3,202,280.18 × 1,287,976.44
  4. Step 4: Simplify right side
    2,320,529x = 4,124,461,426,118.96
  5. Step 5: Solve for x
    x = 4,124,461,426,118.96/2,320,529
  6. Step 6: Final answer
    x = 1,777,379.82

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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.