Home / 4,720,781.62-7,081,172.42-3,122,971.03

Finding the Fourth Proportional to 4,720,781.62, 7,081,172.42 and 3,122,971.03

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Solution

The fourth proportional to 4,720,781.62, 7,081,172.42 and 3,122,971.03 is: 4,684,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,781.62 : 7,081,172.42 = 3,122,971.03 : x
  2. Step 2: Convert to fraction form
    4,720,781.62/7,081,172.42 = 3,122,971.03/x
  3. Step 3: Cross multiply
    4,720,781.62x = 7,081,172.42 × 3,122,971.03
  4. Step 4: Simplify right side
    4,720,781.62x = 22,114,296,326,094.99
  5. Step 5: Solve for x
    x = 22,114,296,326,094.99/4,720,781.62
  6. Step 6: Final answer
    x = 4,684,456.54

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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.