Finding the Fourth Proportional to 5,972,446.80, 8,241,621.48 and 3,393,769.68
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Solution
The fourth proportional to 5,972,446.80, 8,241,621.48 and 3,393,769.68 is: 4,683,200.37
Step by Step Solution
- Step 1: Write the proportion equation
5,972,446.80 : 8,241,621.48 = 3,393,769.68 : x - Step 2: Convert to fraction form
5,972,446.80/8,241,621.48 = 3,393,769.68/x - Step 3: Cross multiply
5,972,446.80x = 8,241,621.48 × 3,393,769.68 - Step 4: Simplify right side
5,972,446.80x = 27,970,165,092,860.73 - Step 5: Solve for x
x = 27,970,165,092,860.73/5,972,446.80 - Step 6: Final answer
x = 4,683,200.37
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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.