Finding the Fourth Proportional to 5,118,586.53, 7,063,823.75 and 3,027,221.75
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Solution
The fourth proportional to 5,118,586.53, 7,063,823.75 and 3,027,221.75 is: 4,177,669.11
Step by Step Solution
- Step 1: Write the proportion equation
5,118,586.53 : 7,063,823.75 = 3,027,221.75 : x - Step 2: Convert to fraction form
5,118,586.53/7,063,823.75 = 3,027,221.75/x - Step 3: Cross multiply
5,118,586.53x = 7,063,823.75 × 3,027,221.75 - Step 4: Simplify right side
5,118,586.53x = 21,383,760,843,711.34 - Step 5: Solve for x
x = 21,383,760,843,711.34/5,118,586.53 - Step 6: Final answer
x = 4,177,669.11
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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.