Finding the Fourth Proportional to 5,320,940.63, 7,342,897.79 and 2,873,551.44
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Solution
The fourth proportional to 5,320,940.63, 7,342,897.79 and 2,873,551.44 is: 3,965,500.84
Step by Step Solution
- Step 1: Write the proportion equation
5,320,940.63 : 7,342,897.79 = 2,873,551.44 : x - Step 2: Convert to fraction form
5,320,940.63/7,342,897.79 = 2,873,551.44/x - Step 3: Cross multiply
5,320,940.63x = 7,342,897.79 × 2,873,551.44 - Step 4: Simplify right side
5,320,940.63x = 21,100,194,503,859.56 - Step 5: Solve for x
x = 21,100,194,503,859.56/5,320,940.63 - Step 6: Final answer
x = 3,965,500.84
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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.