Finding the Fourth Proportional to 5,661,757.72, 7,813,446.80 and 3,214,596.44
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Solution
The fourth proportional to 5,661,757.72, 7,813,446.80 and 3,214,596.44 is: 4,436,268.65
Step by Step Solution
- Step 1: Write the proportion equation
5,661,757.72 : 7,813,446.80 = 3,214,596.44 : x - Step 2: Convert to fraction form
5,661,757.72/7,813,446.80 = 3,214,596.44/x - Step 3: Cross multiply
5,661,757.72x = 7,813,446.80 × 3,214,596.44 - Step 4: Simplify right side
5,661,757.72x = 25,117,078,267,409.39 - Step 5: Solve for x
x = 25,117,078,267,409.39/5,661,757.72 - Step 6: Final answer
x = 4,436,268.65
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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.