Home / 3,618,806.92-5,428,384.96-1,189,906.39

Finding the Fourth Proportional to 3,618,806.92, 5,428,384.96 and 1,189,906.39

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Solution

The fourth proportional to 3,618,806.92, 5,428,384.96 and 1,189,906.39 is: 1,784,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,806.92 : 5,428,384.96 = 1,189,906.39 : x
  2. Step 2: Convert to fraction form
    3,618,806.92/5,428,384.96 = 1,189,906.39/x
  3. Step 3: Cross multiply
    3,618,806.92x = 5,428,384.96 × 1,189,906.39
  4. Step 4: Simplify right side
    3,618,806.92x = 6,459,269,956,256.28
  5. Step 5: Solve for x
    x = 6,459,269,956,256.28/3,618,806.92
  6. Step 6: Final answer
    x = 1,784,916.99

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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.