Finding the Fourth Proportional to 6,382,664.16, 8,808,034.74 and 3,629,351.79
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Solution
The fourth proportional to 6,382,664.16, 8,808,034.74 and 3,629,351.79 is: 5,008,481.70
Step by Step Solution
- Step 1: Write the proportion equation
6,382,664.16 : 8,808,034.74 = 3,629,351.79 : x - Step 2: Convert to fraction form
6,382,664.16/8,808,034.74 = 3,629,351.79/x - Step 3: Cross multiply
6,382,664.16x = 8,808,034.74 × 3,629,351.79 - Step 4: Simplify right side
6,382,664.16x = 31,967,456,642,241.17 - Step 5: Solve for x
x = 31,967,456,642,241.17/6,382,664.16 - Step 6: Final answer
x = 5,008,481.70
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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.