Home / 5,515,358.90-8,274,367.32-1,728,841.76

Finding the Fourth Proportional to 5,515,358.90, 8,274,367.32 and 1,728,841.76

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Solution

The fourth proportional to 5,515,358.90, 8,274,367.32 and 1,728,841.76 is: 2,593,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,358.90 : 8,274,367.32 = 1,728,841.76 : x
  2. Step 2: Convert to fraction form
    5,515,358.90/8,274,367.32 = 1,728,841.76/x
  3. Step 3: Cross multiply
    5,515,358.90x = 8,274,367.32 × 1,728,841.76
  4. Step 4: Simplify right side
    5,515,358.90x = 14,305,071,760,395.28
  5. Step 5: Solve for x
    x = 14,305,071,760,395.28/5,515,358.90
  6. Step 6: Final answer
    x = 2,593,679.22

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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.