Home / 3,819,849.91-5,728,558.65-1,260,588.49

Finding the Fourth Proportional to 3,819,849.91, 5,728,558.65 and 1,260,588.49

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Solution

The fourth proportional to 3,819,849.91, 5,728,558.65 and 1,260,588.49 is: 1,890,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,849.91 : 5,728,558.65 = 1,260,588.49 : x
  2. Step 2: Convert to fraction form
    3,819,849.91/5,728,558.65 = 1,260,588.49/x
  3. Step 3: Cross multiply
    3,819,849.91x = 5,728,558.65 × 1,260,588.49
  4. Step 4: Simplify right side
    3,819,849.91x = 7,221,355,079,431.34
  5. Step 5: Solve for x
    x = 7,221,355,079,431.34/3,819,849.91
  6. Step 6: Final answer
    x = 1,890,481.37

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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.