Finding the Fourth Proportional to 3,831,399.26, 5,288,612.18 and 2,283,146.60
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Solution
The fourth proportional to 3,831,399.26, 5,288,612.18 and 2,283,146.60 is: 3,151,505.77
Step by Step Solution
- Step 1: Write the proportion equation
3,831,399.26 : 5,288,612.18 = 2,283,146.60 : x - Step 2: Convert to fraction form
3,831,399.26/5,288,612.18 = 2,283,146.60/x - Step 3: Cross multiply
3,831,399.26x = 5,288,612.18 × 2,283,146.60 - Step 4: Simplify right side
3,831,399.26x = 12,074,676,879,626.79 - Step 5: Solve for x
x = 12,074,676,879,626.79/3,831,399.26 - Step 6: Final answer
x = 3,151,505.77
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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.