Finding the Fourth Proportional to 5,792,191.20, 7,992,114.48 and 3,312,199.08
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Solution
The fourth proportional to 5,792,191.20, 7,992,114.48 and 3,312,199.08 is: 4,570,200.35
Step by Step Solution
- Step 1: Write the proportion equation
5,792,191.20 : 7,992,114.48 = 3,312,199.08 : x - Step 2: Convert to fraction form
5,792,191.20/7,992,114.48 = 3,312,199.08/x - Step 3: Cross multiply
5,792,191.20x = 7,992,114.48 × 3,312,199.08 - Step 4: Simplify right side
5,792,191.20x = 26,471,474,227,910.68 - Step 5: Solve for x
x = 26,471,474,227,910.68/5,792,191.20 - Step 6: Final answer
x = 4,570,200.35
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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.