Home / 2,659,461.78-3,989,192.64-664,917.78

Finding the Fourth Proportional to 2,659,461.78, 3,989,192.64 and 664,917.78

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Solution

The fourth proportional to 2,659,461.78, 3,989,192.64 and 664,917.78 is: 997,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,461.78 : 3,989,192.64 = 664,917.78 : x
  2. Step 2: Convert to fraction form
    2,659,461.78/3,989,192.64 = 664,917.78/x
  3. Step 3: Cross multiply
    2,659,461.78x = 3,989,192.64 × 664,917.78
  4. Step 4: Simplify right side
    2,659,461.78x = 2,652,485,114,181.14
  5. Step 5: Solve for x
    x = 2,652,485,114,181.14/2,659,461.78
  6. Step 6: Final answer
    x = 997,376.66

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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.