Finding the Fourth Proportional to 5,168,743.62, 7,125,217.29 and 3,307,954.02
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Solution
The fourth proportional to 5,168,743.62, 7,125,217.29 and 3,307,954.02 is: 4,560,081.31
Step by Step Solution
- Step 1: Write the proportion equation
5,168,743.62 : 7,125,217.29 = 3,307,954.02 : x - Step 2: Convert to fraction form
5,168,743.62/7,125,217.29 = 3,307,954.02/x - Step 3: Cross multiply
5,168,743.62x = 7,125,217.29 × 3,307,954.02 - Step 4: Simplify right side
5,168,743.62x = 23,569,891,177,829.01 - Step 5: Solve for x
x = 23,569,891,177,829.01/5,168,743.62 - Step 6: Final answer
x = 4,560,081.31
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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.