Finding the Fourth Proportional to 3,837,348.48, 5,295,988.80 and 3,191,629.44
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Solution
The fourth proportional to 3,837,348.48, 5,295,988.80 and 3,191,629.44 is: 4,404,821.16
Step by Step Solution
- Step 1: Write the proportion equation
3,837,348.48 : 5,295,988.80 = 3,191,629.44 : x - Step 2: Convert to fraction form
3,837,348.48/5,295,988.80 = 3,191,629.44/x - Step 3: Cross multiply
3,837,348.48x = 5,295,988.80 × 3,191,629.44 - Step 4: Simplify right side
3,837,348.48x = 16,902,833,767,990.27 - Step 5: Solve for x
x = 16,902,833,767,990.27/3,837,348.48 - Step 6: Final answer
x = 4,404,821.16
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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.