Finding the Fourth Proportional to 5,726,487.62, 7,902,557.97 and 3,148,212.26
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Solution
The fourth proportional to 5,726,487.62, 7,902,557.97 and 3,148,212.26 is: 4,344,535.70
Step by Step Solution
- Step 1: Write the proportion equation
5,726,487.62 : 7,902,557.97 = 3,148,212.26 : x - Step 2: Convert to fraction form
5,726,487.62/7,902,557.97 = 3,148,212.26/x - Step 3: Cross multiply
5,726,487.62x = 7,902,557.97 × 3,148,212.26 - Step 4: Simplify right side
5,726,487.62x = 24,878,929,886,514.71 - Step 5: Solve for x
x = 24,878,929,886,514.71/5,726,487.62 - Step 6: Final answer
x = 4,344,535.70
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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.