Finding the Fourth Proportional to 4,240,236.09, 6,361,063.40 and 3,329,381.68
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Solution
The fourth proportional to 4,240,236.09, 6,361,063.40 and 3,329,381.68 is: 4,994,629.42
Step by Step Solution
- Step 1: Write the proportion equation
4,240,236.09 : 6,361,063.40 = 3,329,381.68 : x - Step 2: Convert to fraction form
4,240,236.09/6,361,063.40 = 3,329,381.68/x - Step 3: Cross multiply
4,240,236.09x = 6,361,063.40 × 3,329,381.68 - Step 4: Simplify right side
4,240,236.09x = 21,178,407,922,971.54 - Step 5: Solve for x
x = 21,178,407,922,971.54/4,240,236.09 - Step 6: Final answer
x = 4,994,629.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.