Home / 5,089,231.35-7,631,998.56-2,785,427.37

Finding the Fourth Proportional to 5,089,231.35, 7,631,998.56 and 2,785,427.37

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Solution

The fourth proportional to 5,089,231.35, 7,631,998.56 and 2,785,427.37 is: 4,177,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089,231.35 : 7,631,998.56 = 2,785,427.37 : x
  2. Step 2: Convert to fraction form
    5,089,231.35/7,631,998.56 = 2,785,427.37/x
  3. Step 3: Cross multiply
    5,089,231.35x = 7,631,998.56 × 2,785,427.37
  4. Step 4: Simplify right side
    5,089,231.35x = 21,258,377,676,824.59
  5. Step 5: Solve for x
    x = 21,258,377,676,824.59/5,089,231.35
  6. Step 6: Final answer
    x = 4,177,129.36

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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.