Home / 5,721,071.72-7,891,778.56-3,427,903.80

Finding the Fourth Proportional to 5,721,071.72, 7,891,778.56 and 3,427,903.80

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Solution

The fourth proportional to 5,721,071.72, 7,891,778.56 and 3,427,903.80 is: 4,728,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721,071.72 : 7,891,778.56 = 3,427,903.80 : x
  2. Step 2: Convert to fraction form
    5,721,071.72/7,891,778.56 = 3,427,903.80/x
  3. Step 3: Cross multiply
    5,721,071.72x = 7,891,778.56 × 3,427,903.80
  4. Step 4: Simplify right side
    5,721,071.72x = 27,052,257,731,720.68
  5. Step 5: Solve for x
    x = 27,052,257,731,720.68/5,721,071.72
  6. Step 6: Final answer
    x = 4,728,529.74

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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.