Finding the Fourth Proportional to 3,410,390.80, 5,115,102.36 and 1,166,202.64
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Solution
The fourth proportional to 3,410,390.80, 5,115,102.36 and 1,166,202.64 is: 1,749,138.51
Step by Step Solution
- Step 1: Write the proportion equation
3,410,390.80 : 5,115,102.36 = 1,166,202.64 : x - Step 2: Convert to fraction form
3,410,390.80/5,115,102.36 = 1,166,202.64/x - Step 3: Cross multiply
3,410,390.80x = 5,115,102.36 × 1,166,202.64 - Step 4: Simplify right side
3,410,390.80x = 5,965,245,876,102.23 - Step 5: Solve for x
x = 5,965,245,876,102.23/3,410,390.80 - Step 6: Final answer
x = 1,749,138.51
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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.