Finding the Fourth Proportional to 4,428,199.82, 6,618,037.96 and 3,232,639.82
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Solution
The fourth proportional to 4,428,199.82, 6,618,037.96 and 3,232,639.82 is: 4,831,248.34
Step by Step Solution
- Step 1: Write the proportion equation
4,428,199.82 : 6,618,037.96 = 3,232,639.82 : x - Step 2: Convert to fraction form
4,428,199.82/6,618,037.96 = 3,232,639.82/x - Step 3: Cross multiply
4,428,199.82x = 6,618,037.96 × 3,232,639.82 - Step 4: Simplify right side
4,428,199.82x = 21,393,733,039,767.57 - Step 5: Solve for x
x = 21,393,733,039,767.57/4,428,199.82 - Step 6: Final answer
x = 4,831,248.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.