Home / 1,618,916.43-2,427,951.52-481,372.28

Finding the Fourth Proportional to 1,618,916.43, 2,427,951.52 and 481,372.28

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Solution

The fourth proportional to 1,618,916.43, 2,427,951.52 and 481,372.28 is: 721,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,916.43 : 2,427,951.52 = 481,372.28 : x
  2. Step 2: Convert to fraction form
    1,618,916.43/2,427,951.52 = 481,372.28/x
  3. Step 3: Cross multiply
    1,618,916.43x = 2,427,951.52 × 481,372.28
  4. Step 4: Simplify right side
    1,618,916.43x = 1,168,748,558,911.87
  5. Step 5: Solve for x
    x = 1,168,748,558,911.87/1,618,916.43
  6. Step 6: Final answer
    x = 721,932.61

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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.