Finding the Fourth Proportional to 3,672,495.60, 5,504,806.80 and 1,397,140.80
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Solution
The fourth proportional to 3,672,495.60, 5,504,806.80 and 1,397,140.80 is: 2,094,213.59
Step by Step Solution
- Step 1: Write the proportion equation
3,672,495.60 : 5,504,806.80 = 1,397,140.80 : x - Step 2: Convert to fraction form
3,672,495.60/5,504,806.80 = 1,397,140.80/x - Step 3: Cross multiply
3,672,495.60x = 5,504,806.80 × 1,397,140.80 - Step 4: Simplify right side
3,672,495.60x = 7,690,990,176,397.44 - Step 5: Solve for x
x = 7,690,990,176,397.44/3,672,495.60 - Step 6: Final answer
x = 2,094,213.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.