Home / 5,082,345.70-7,621,901.91-1,669,845.75

Finding the Fourth Proportional to 5,082,345.70, 7,621,901.91 and 1,669,845.75

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Solution

The fourth proportional to 5,082,345.70, 7,621,901.91 and 1,669,845.75 is: 2,504,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082,345.70 : 7,621,901.91 = 1,669,845.75 : x
  2. Step 2: Convert to fraction form
    5,082,345.70/7,621,901.91 = 1,669,845.75/x
  3. Step 3: Cross multiply
    5,082,345.70x = 7,621,901.91 × 1,669,845.75
  4. Step 4: Simplify right side
    5,082,345.70x = 12,727,400,499,998.70
  5. Step 5: Solve for x
    x = 12,727,400,499,998.70/5,082,345.70
  6. Step 6: Final answer
    x = 2,504,237.46

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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.