Finding the Fourth Proportional to 5,199,795.55, 7,177,521.54 and 3,573,586.09
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Solution
The fourth proportional to 5,199,795.55, 7,177,521.54 and 3,573,586.09 is: 4,932,788.39
Step by Step Solution
- Step 1: Write the proportion equation
5,199,795.55 : 7,177,521.54 = 3,573,586.09 : x - Step 2: Convert to fraction form
5,199,795.55/7,177,521.54 = 3,573,586.09/x - Step 3: Cross multiply
5,199,795.55x = 7,177,521.54 × 3,573,586.09 - Step 4: Simplify right side
5,199,795.55x = 25,649,491,136,019.38 - Step 5: Solve for x
x = 25,649,491,136,019.38/5,199,795.55 - Step 6: Final answer
x = 4,932,788.39
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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.