Finding the Fourth Proportional to 5,972,445.30, 8,241,619.41 and 3,393,768.18
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Solution
The fourth proportional to 5,972,445.30, 8,241,619.41 and 3,393,768.18 is: 4,683,198.30
Step by Step Solution
- Step 1: Write the proportion equation
5,972,445.30 : 8,241,619.41 = 3,393,768.18 : x - Step 2: Convert to fraction form
5,972,445.30/8,241,619.41 = 3,393,768.18/x - Step 3: Cross multiply
5,972,445.30x = 8,241,619.41 × 3,393,768.18 - Step 4: Simplify right side
5,972,445.30x = 27,970,145,705,328.38 - Step 5: Solve for x
x = 27,970,145,705,328.38/5,972,445.30 - Step 6: Final answer
x = 4,683,198.30
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1.5x scale
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.