Home / 3,348,997.82-5,017,158.02-1,978,673.48

Finding the Fourth Proportional to 3,348,997.82, 5,017,158.02 and 1,978,673.48

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Solution

The fourth proportional to 3,348,997.82, 5,017,158.02 and 1,978,673.48 is: 2,964,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,997.82 : 5,017,158.02 = 1,978,673.48 : x
  2. Step 2: Convert to fraction form
    3,348,997.82/5,017,158.02 = 1,978,673.48/x
  3. Step 3: Cross multiply
    3,348,997.82x = 5,017,158.02 × 1,978,673.48
  4. Step 4: Simplify right side
    3,348,997.82x = 9,927,317,519,143.31
  5. Step 5: Solve for x
    x = 9,927,317,519,143.31/3,348,997.82
  6. Step 6: Final answer
    x = 2,964,265.15

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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.