Home / 2,581,976.80-3,872,446.80-1,234,136.80

Finding the Fourth Proportional to 2,581,976.80, 3,872,446.80 and 1,234,136.80

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Solution

The fourth proportional to 2,581,976.80, 3,872,446.80 and 1,234,136.80 is: 1,850,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,976.80 : 3,872,446.80 = 1,234,136.80 : x
  2. Step 2: Convert to fraction form
    2,581,976.80/3,872,446.80 = 1,234,136.80/x
  3. Step 3: Cross multiply
    2,581,976.80x = 3,872,446.80 × 1,234,136.80
  4. Step 4: Simplify right side
    2,581,976.80x = 4,779,129,101,922.24
  5. Step 5: Solve for x
    x = 4,779,129,101,922.24/2,581,976.80
  6. Step 6: Final answer
    x = 1,850,957.41

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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.