Home / 3,954,812.78-5,457,684.64-2,323,288.90

Finding the Fourth Proportional to 3,954,812.78, 5,457,684.64 and 2,323,288.90

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Solution

The fourth proportional to 3,954,812.78, 5,457,684.64 and 2,323,288.90 is: 3,206,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,812.78 : 5,457,684.64 = 2,323,288.90 : x
  2. Step 2: Convert to fraction form
    3,954,812.78/5,457,684.64 = 2,323,288.90/x
  3. Step 3: Cross multiply
    3,954,812.78x = 5,457,684.64 × 2,323,288.90
  4. Step 4: Simplify right side
    3,954,812.78x = 12,679,778,143,812.49
  5. Step 5: Solve for x
    x = 12,679,778,143,812.49/3,954,812.78
  6. Step 6: Final answer
    x = 3,206,163.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.