Finding the Fourth Proportional to 5,672,020.38, 7,828,049.88 and 3,224,998.08
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Solution
The fourth proportional to 5,672,020.38, 7,828,049.88 and 3,224,998.08 is: 4,450,873.61
Step by Step Solution
- Step 1: Write the proportion equation
5,672,020.38 : 7,828,049.88 = 3,224,998.08 : x - Step 2: Convert to fraction form
5,672,020.38/7,828,049.88 = 3,224,998.08/x - Step 3: Cross multiply
5,672,020.38x = 7,828,049.88 × 3,224,998.08 - Step 4: Simplify right side
5,672,020.38x = 25,245,445,833,144.23 - Step 5: Solve for x
x = 25,245,445,833,144.23/5,672,020.38 - Step 6: Final answer
x = 4,450,873.61
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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.