Finding the Fourth Proportional to 3,545,794.12, 5,284,961.12 and 3,343,993.96
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Solution
The fourth proportional to 3,545,794.12, 5,284,961.12 and 3,343,993.96 is: 4,984,180.54
Step by Step Solution
- Step 1: Write the proportion equation
3,545,794.12 : 5,284,961.12 = 3,343,993.96 : x - Step 2: Convert to fraction form
3,545,794.12/5,284,961.12 = 3,343,993.96/x - Step 3: Cross multiply
3,545,794.12x = 5,284,961.12 × 3,343,993.96 - Step 4: Simplify right side
3,545,794.12x = 17,672,878,064,114.84 - Step 5: Solve for x
x = 17,672,878,064,114.84/3,545,794.12 - Step 6: Final answer
x = 4,984,180.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.