Finding the Fourth Proportional to 2,272,331.25, 3,135,917.21 and 1,305,764.73
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Solution
The fourth proportional to 2,272,331.25, 3,135,917.21 and 1,305,764.73 is: 1,802,012.84
Step by Step Solution
- Step 1: Write the proportion equation
2,272,331.25 : 3,135,917.21 = 1,305,764.73 : x - Step 2: Convert to fraction form
2,272,331.25/3,135,917.21 = 1,305,764.73/x - Step 3: Cross multiply
2,272,331.25x = 3,135,917.21 × 1,305,764.73 - Step 4: Simplify right side
2,272,331.25x = 4,094,770,082,489.18 - Step 5: Solve for x
x = 4,094,770,082,489.18/2,272,331.25 - Step 6: Final answer
x = 1,802,012.84
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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.