Finding the Fourth Proportional to 3,711,213.54, 5,121,388.08 and 2,183,419.08
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Solution
The fourth proportional to 3,711,213.54, 5,121,388.08 and 2,183,419.08 is: 3,013,067.38
Step by Step Solution
- Step 1: Write the proportion equation
3,711,213.54 : 5,121,388.08 = 2,183,419.08 : x - Step 2: Convert to fraction form
3,711,213.54/5,121,388.08 = 2,183,419.08/x - Step 3: Cross multiply
3,711,213.54x = 5,121,388.08 × 2,183,419.08 - Step 4: Simplify right side
3,711,213.54x = 11,182,136,449,956.57 - Step 5: Solve for x
x = 11,182,136,449,956.57/3,711,213.54 - Step 6: Final answer
x = 3,013,067.38
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1.5x scale
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.