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Finding the Fourth Proportional to 3,309,872.63, 4,964,809.22 and 1,066,010.63

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Solution

The fourth proportional to 3,309,872.63, 4,964,809.22 and 1,066,010.63 is: 1,599,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,872.63 : 4,964,809.22 = 1,066,010.63 : x
  2. Step 2: Convert to fraction form
    3,309,872.63/4,964,809.22 = 1,066,010.63/x
  3. Step 3: Cross multiply
    3,309,872.63x = 4,964,809.22 × 1,066,010.63
  4. Step 4: Simplify right side
    3,309,872.63x = 5,292,539,374,287.91
  5. Step 5: Solve for x
    x = 5,292,539,374,287.91/3,309,872.63
  6. Step 6: Final answer
    x = 1,599,016.03

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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.