Home / 3,219,997.55-4,829,971.70-823,838.34

Finding the Fourth Proportional to 3,219,997.55, 4,829,971.70 and 823,838.34

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Solution

The fourth proportional to 3,219,997.55, 4,829,971.70 and 823,838.34 is: 1,235,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,997.55 : 4,829,971.70 = 823,838.34 : x
  2. Step 2: Convert to fraction form
    3,219,997.55/4,829,971.70 = 823,838.34/x
  3. Step 3: Cross multiply
    3,219,997.55x = 4,829,971.70 × 823,838.34
  4. Step 4: Simplify right side
    3,219,997.55x = 3,979,115,860,578.38
  5. Step 5: Solve for x
    x = 3,979,115,860,578.38/3,219,997.55
  6. Step 6: Final answer
    x = 1,235,751.21

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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.