Finding the Fourth Proportional to 5,940,534.08, 8,212,929.51 and 4,389,349.20
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Solution
The fourth proportional to 5,940,534.08, 8,212,929.51 and 4,389,349.20 is: 6,068,379.55
Step by Step Solution
- Step 1: Write the proportion equation
5,940,534.08 : 8,212,929.51 = 4,389,349.20 : x - Step 2: Convert to fraction form
5,940,534.08/8,212,929.51 = 4,389,349.20/x - Step 3: Cross multiply
5,940,534.08x = 8,212,929.51 × 4,389,349.20 - Step 4: Simplify right side
5,940,534.08x = 36,049,415,554,330.23 - Step 5: Solve for x
x = 36,049,415,554,330.23/5,940,534.08 - Step 6: Final answer
x = 6,068,379.55
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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.