Home / 5,179,327.74-7,147,315.83-2,856,219.06

Finding the Fourth Proportional to 5,179,327.74, 7,147,315.83 and 2,856,219.06

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Solution

The fourth proportional to 5,179,327.74, 7,147,315.83 and 2,856,219.06 is: 3,941,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,327.74 : 7,147,315.83 = 2,856,219.06 : x
  2. Step 2: Convert to fraction form
    5,179,327.74/7,147,315.83 = 2,856,219.06/x
  3. Step 3: Cross multiply
    5,179,327.74x = 7,147,315.83 × 2,856,219.06
  4. Step 4: Simplify right side
    5,179,327.74x = 20,414,299,701,485.72
  5. Step 5: Solve for x
    x = 20,414,299,701,485.72/5,179,327.74
  6. Step 6: Final answer
    x = 3,941,496.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.