Finding the Fourth Proportional to 3,613,113.24, 5,419,672.02 and 917,640.60
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Solution
The fourth proportional to 3,613,113.24, 5,419,672.02 and 917,640.60 is: 1,376,461.45
Step by Step Solution
- Step 1: Write the proportion equation
3,613,113.24 : 5,419,672.02 = 917,640.60 : x - Step 2: Convert to fraction form
3,613,113.24/5,419,672.02 = 917,640.60/x - Step 3: Cross multiply
3,613,113.24x = 5,419,672.02 × 917,640.60 - Step 4: Simplify right side
3,613,113.24x = 4,973,311,084,236.01 - Step 5: Solve for x
x = 4,973,311,084,236.01/3,613,113.24 - Step 6: Final answer
x = 1,376,461.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.