Finding the Fourth Proportional to 5,796,782.82, 7,999,810.38 and 3,218,464.08
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Solution
The fourth proportional to 5,796,782.82, 7,999,810.38 and 3,218,464.08 is: 4,441,619.28
Step by Step Solution
- Step 1: Write the proportion equation
5,796,782.82 : 7,999,810.38 = 3,218,464.08 : x - Step 2: Convert to fraction form
5,796,782.82/7,999,810.38 = 3,218,464.08/x - Step 3: Cross multiply
5,796,782.82x = 7,999,810.38 × 3,218,464.08 - Step 4: Simplify right side
5,796,782.82x = 25,747,102,354,841.15 - Step 5: Solve for x
x = 25,747,102,354,841.15/5,796,782.82 - Step 6: Final answer
x = 4,441,619.28
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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.