Home / 1,627,439.31-2,436,370.18-1,086,353.50

Finding the Fourth Proportional to 1,627,439.31, 2,436,370.18 and 1,086,353.50

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Solution

The fourth proportional to 1,627,439.31, 2,436,370.18 and 1,086,353.50 is: 1,626,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,439.31 : 2,436,370.18 = 1,086,353.50 : x
  2. Step 2: Convert to fraction form
    1,627,439.31/2,436,370.18 = 1,086,353.50/x
  3. Step 3: Cross multiply
    1,627,439.31x = 2,436,370.18 × 1,086,353.50
  4. Step 4: Simplify right side
    1,627,439.31x = 2,646,759,266,906.86
  5. Step 5: Solve for x
    x = 2,646,759,266,906.86/1,627,439.31
  6. Step 6: Final answer
    x = 1,626,333.62

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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.