Finding the Fourth Proportional to 5,517,286.84, 7,612,715.10 and 3,225,004.12
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Solution
The fourth proportional to 5,517,286.84, 7,612,715.10 and 3,225,004.12 is: 4,449,838.89
Step by Step Solution
- Step 1: Write the proportion equation
5,517,286.84 : 7,612,715.10 = 3,225,004.12 : x - Step 2: Convert to fraction form
5,517,286.84/7,612,715.10 = 3,225,004.12/x - Step 3: Cross multiply
5,517,286.84x = 7,612,715.10 × 3,225,004.12 - Step 4: Simplify right side
5,517,286.84x = 24,551,037,561,886.21 - Step 5: Solve for x
x = 24,551,037,561,886.21/5,517,286.84 - Step 6: Final answer
x = 4,449,838.89
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Double scale
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1.5x scale
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.