Finding the Fourth Proportional to 6,320,221.44, 8,721,843.48 and 3,419,548.64
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Solution
The fourth proportional to 6,320,221.44, 8,721,843.48 and 3,419,548.64 is: 4,718,943.52
Step by Step Solution
- Step 1: Write the proportion equation
6,320,221.44 : 8,721,843.48 = 3,419,548.64 : x - Step 2: Convert to fraction form
6,320,221.44/8,721,843.48 = 3,419,548.64/x - Step 3: Cross multiply
6,320,221.44x = 8,721,843.48 × 3,419,548.64 - Step 4: Simplify right side
6,320,221.44x = 29,824,768,010,326.87 - Step 5: Solve for x
x = 29,824,768,010,326.87/6,320,221.44 - Step 6: Final answer
x = 4,718,943.52
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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.