Finding the Fourth Proportional to 3,736,486.96, 5,145,491.46 and 3,246,229.60
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Solution
The fourth proportional to 3,736,486.96, 5,145,491.46 and 3,246,229.60 is: 4,470,361.29
Step by Step Solution
- Step 1: Write the proportion equation
3,736,486.96 : 5,145,491.46 = 3,246,229.60 : x - Step 2: Convert to fraction form
3,736,486.96/5,145,491.46 = 3,246,229.60/x - Step 3: Cross multiply
3,736,486.96x = 5,145,491.46 × 3,246,229.60 - Step 4: Simplify right side
3,736,486.96x = 16,703,446,683,999.22 - Step 5: Solve for x
x = 16,703,446,683,999.22/3,736,486.96 - Step 6: Final answer
x = 4,470,361.29
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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.