Finding the Fourth Proportional to 5,743,169.80, 7,925,626.74 and 3,164,943.08
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Solution
The fourth proportional to 5,743,169.80, 7,925,626.74 and 3,164,943.08 is: 4,367,650.34
Step by Step Solution
- Step 1: Write the proportion equation
5,743,169.80 : 7,925,626.74 = 3,164,943.08 : x - Step 2: Convert to fraction form
5,743,169.80/7,925,626.74 = 3,164,943.08/x - Step 3: Cross multiply
5,743,169.80x = 7,925,626.74 × 3,164,943.08 - Step 4: Simplify right side
5,743,169.80x = 25,084,157,505,425.96 - Step 5: Solve for x
x = 25,084,157,505,425.96/5,743,169.80 - Step 6: Final answer
x = 4,367,650.34
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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.