Finding the Fourth Proportional to 5,275,144.08, 7,279,702.92 and 2,860,696.08
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Solution
The fourth proportional to 5,275,144.08, 7,279,702.92 and 2,860,696.08 is: 3,947,762.81
Step by Step Solution
- Step 1: Write the proportion equation
5,275,144.08 : 7,279,702.92 = 2,860,696.08 : x - Step 2: Convert to fraction form
5,275,144.08/7,279,702.92 = 2,860,696.08/x - Step 3: Cross multiply
5,275,144.08x = 7,279,702.92 × 2,860,696.08 - Step 4: Simplify right side
5,275,144.08x = 20,825,017,606,808.55 - Step 5: Solve for x
x = 20,825,017,606,808.55/5,275,144.08 - Step 6: Final answer
x = 3,947,762.81
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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.