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Finding the Fourth Proportional to 3,510,372, 5,265,558 and 850,980

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Solution

The fourth proportional to 3,510,372, 5,265,558 and 850,980 is: 1,276,470

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,372 : 5,265,558 = 850,980 : x
  2. Step 2: Convert to fraction form
    3,510,372/5,265,558 = 850,980/x
  3. Step 3: Cross multiply
    3,510,372x = 5,265,558 × 850,980
  4. Step 4: Simplify right side
    3,510,372x = 4,480,884,546,840
  5. Step 5: Solve for x
    x = 4,480,884,546,840/3,510,372
  6. Step 6: Final answer
    x = 1,276,470

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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.