Finding the Fourth Proportional to 4,946,232.72, 6,860,722.60 and 4,815,129.36
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Solution
The fourth proportional to 4,946,232.72, 6,860,722.60 and 4,815,129.36 is: 6,678,874.35
Step by Step Solution
- Step 1: Write the proportion equation
4,946,232.72 : 6,860,722.60 = 4,815,129.36 : x - Step 2: Convert to fraction form
4,946,232.72/6,860,722.60 = 4,815,129.36/x - Step 3: Cross multiply
4,946,232.72x = 6,860,722.60 × 4,815,129.36 - Step 4: Simplify right side
4,946,232.72x = 33,035,266,822,075.54 - Step 5: Solve for x
x = 33,035,266,822,075.54/4,946,232.72 - Step 6: Final answer
x = 6,678,874.35
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.