Finding the Fourth Proportional to 3,726,420.12, 5,590,811.70 and 1,330,213.32
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Solution
The fourth proportional to 3,726,420.12, 5,590,811.70 and 1,330,213.32 is: 1,995,741.75
Step by Step Solution
- Step 1: Write the proportion equation
3,726,420.12 : 5,590,811.70 = 1,330,213.32 : x - Step 2: Convert to fraction form
3,726,420.12/5,590,811.70 = 1,330,213.32/x - Step 3: Cross multiply
3,726,420.12x = 5,590,811.70 × 1,330,213.32 - Step 4: Simplify right side
3,726,420.12x = 7,436,972,192,951.85 - Step 5: Solve for x
x = 7,436,972,192,951.85/3,726,420.12 - Step 6: Final answer
x = 1,995,741.75
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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.