Home / 2,682,128.40-4,017,943.80-1,613,997.60

Finding the Fourth Proportional to 2,682,128.40, 4,017,943.80 and 1,613,997.60

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Solution

The fourth proportional to 2,682,128.40, 4,017,943.80 and 1,613,997.60 is: 2,417,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,128.40 : 4,017,943.80 = 1,613,997.60 : x
  2. Step 2: Convert to fraction form
    2,682,128.40/4,017,943.80 = 1,613,997.60/x
  3. Step 3: Cross multiply
    2,682,128.40x = 4,017,943.80 × 1,613,997.60
  4. Step 4: Simplify right side
    2,682,128.40x = 6,484,951,650,134.88
  5. Step 5: Solve for x
    x = 6,484,951,650,134.88/2,682,128.40
  6. Step 6: Final answer
    x = 2,417,837.88

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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.