Home / 3,619,278.48-5,428,914.23-923,603.72

Finding the Fourth Proportional to 3,619,278.48, 5,428,914.23 and 923,603.72

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Solution

The fourth proportional to 3,619,278.48, 5,428,914.23 and 923,603.72 is: 1,385,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,278.48 : 5,428,914.23 = 923,603.72 : x
  2. Step 2: Convert to fraction form
    3,619,278.48/5,428,914.23 = 923,603.72/x
  3. Step 3: Cross multiply
    3,619,278.48x = 5,428,914.23 × 923,603.72
  4. Step 4: Simplify right side
    3,619,278.48x = 5,014,165,353,553.37
  5. Step 5: Solve for x
    x = 5,014,165,353,553.37/3,619,278.48
  6. Step 6: Final answer
    x = 1,385,404.68

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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.