Home / 3,946,543.78-5,920,376.83-1,214,317.73

Finding the Fourth Proportional to 3,946,543.78, 5,920,376.83 and 1,214,317.73

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Solution

The fourth proportional to 3,946,543.78, 5,920,376.83 and 1,214,317.73 is: 1,821,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,543.78 : 5,920,376.83 = 1,214,317.73 : x
  2. Step 2: Convert to fraction form
    3,946,543.78/5,920,376.83 = 1,214,317.73/x
  3. Step 3: Cross multiply
    3,946,543.78x = 5,920,376.83 × 1,214,317.73
  4. Step 4: Simplify right side
    3,946,543.78x = 7,189,218,571,545.88
  5. Step 5: Solve for x
    x = 7,189,218,571,545.88/3,946,543.78
  6. Step 6: Final answer
    x = 1,821,649.26

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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.