Finding the Fourth Proportional to 4,042,731.86, 5,578,941.08 and 2,207,190.08
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Solution
The fourth proportional to 4,042,731.86, 5,578,941.08 and 2,207,190.08 is: 3,045,906.54
Step by Step Solution
- Step 1: Write the proportion equation
4,042,731.86 : 5,578,941.08 = 2,207,190.08 : x - Step 2: Convert to fraction form
4,042,731.86/5,578,941.08 = 2,207,190.08/x - Step 3: Cross multiply
4,042,731.86x = 5,578,941.08 × 2,207,190.08 - Step 4: Simplify right side
4,042,731.86x = 12,313,783,397,644.54 - Step 5: Solve for x
x = 12,313,783,397,644.54/4,042,731.86 - Step 6: Final answer
x = 3,045,906.54
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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.