Home / 2,479,128.81-3,718,203.57-681,548.46

Finding the Fourth Proportional to 2,479,128.81, 3,718,203.57 and 681,548.46

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Solution

The fourth proportional to 2,479,128.81, 3,718,203.57 and 681,548.46 is: 1,022,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,128.81 : 3,718,203.57 = 681,548.46 : x
  2. Step 2: Convert to fraction form
    2,479,128.81/3,718,203.57 = 681,548.46/x
  3. Step 3: Cross multiply
    2,479,128.81x = 3,718,203.57 × 681,548.46
  4. Step 4: Simplify right side
    2,479,128.81x = 2,534,135,917,100.00
  5. Step 5: Solve for x
    x = 2,534,135,917,100.00/2,479,128.81
  6. Step 6: Final answer
    x = 1,022,188.08

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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.