Home / 3,348,999.82-5,017,161.02-1,978,675.48

Finding the Fourth Proportional to 3,348,999.82, 5,017,161.02 and 1,978,675.48

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Solution

The fourth proportional to 3,348,999.82, 5,017,161.02 and 1,978,675.48 is: 2,964,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,999.82 : 5,017,161.02 = 1,978,675.48 : x
  2. Step 2: Convert to fraction form
    3,348,999.82/5,017,161.02 = 1,978,675.48/x
  3. Step 3: Cross multiply
    3,348,999.82x = 5,017,161.02 × 1,978,675.48
  4. Step 4: Simplify right side
    3,348,999.82x = 9,927,333,489,485.79
  5. Step 5: Solve for x
    x = 9,927,333,489,485.79/3,348,999.82
  6. Step 6: Final answer
    x = 2,964,268.15

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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.