Finding the Fourth Proportional to 3,958,229.73, 5,462,367.62 and 2,147,393.73
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Solution
The fourth proportional to 3,958,229.73, 5,462,367.62 and 2,147,393.73 is: 2,963,409.09
Step by Step Solution
- Step 1: Write the proportion equation
3,958,229.73 : 5,462,367.62 = 2,147,393.73 : x - Step 2: Convert to fraction form
3,958,229.73/5,462,367.62 = 2,147,393.73/x - Step 3: Cross multiply
3,958,229.73x = 5,462,367.62 × 2,147,393.73 - Step 4: Simplify right side
3,958,229.73x = 11,729,853,967,406.05 - Step 5: Solve for x
x = 11,729,853,967,406.05/3,958,229.73 - Step 6: Final answer
x = 2,963,409.09
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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.