Home / 5,388,499.73-8,078,457-3,111,439.07

Finding the Fourth Proportional to 5,388,499.73, 8,078,457 and 3,111,439.07

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Solution

The fourth proportional to 5,388,499.73, 8,078,457 and 3,111,439.07 is: 4,664,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,499.73 : 8,078,457 = 3,111,439.07 : x
  2. Step 2: Convert to fraction form
    5,388,499.73/8,078,457 = 3,111,439.07/x
  3. Step 3: Cross multiply
    5,388,499.73x = 8,078,457 × 3,111,439.07
  4. Step 4: Simplify right side
    5,388,499.73x = 25,135,626,735,114.99
  5. Step 5: Solve for x
    x = 25,135,626,735,114.99/5,388,499.73
  6. Step 6: Final answer
    x = 4,664,679.97

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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.