Finding the Fourth Proportional to 5,743,147.44, 7,925,596.80 and 3,164,920.68
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Solution
The fourth proportional to 5,743,147.44, 7,925,596.80 and 3,164,920.68 is: 4,367,619.93
Step by Step Solution
- Step 1: Write the proportion equation
5,743,147.44 : 7,925,596.80 = 3,164,920.68 : x - Step 2: Convert to fraction form
5,743,147.44/7,925,596.80 = 3,164,920.68/x - Step 3: Cross multiply
5,743,147.44x = 7,925,596.80 × 3,164,920.68 - Step 4: Simplify right side
5,743,147.44x = 25,083,885,213,661.82 - Step 5: Solve for x
x = 25,083,885,213,661.82/5,743,147.44 - Step 6: Final answer
x = 4,367,619.93
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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.