Finding the Fourth Proportional to 5,427,211.74, 7,493,057.18 and 3,364,431.72
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Solution
The fourth proportional to 5,427,211.74, 7,493,057.18 and 3,364,431.72 is: 4,645,088.58
Step by Step Solution
- Step 1: Write the proportion equation
5,427,211.74 : 7,493,057.18 = 3,364,431.72 : x - Step 2: Convert to fraction form
5,427,211.74/7,493,057.18 = 3,364,431.72/x - Step 3: Cross multiply
5,427,211.74x = 7,493,057.18 × 3,364,431.72 - Step 4: Simplify right side
5,427,211.74x = 25,209,879,256,165.75 - Step 5: Solve for x
x = 25,209,879,256,165.75/5,427,211.74 - Step 6: Final answer
x = 4,645,088.58
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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.