Finding the Fourth Proportional to 4,089,475.05, 5,643,509.91 and 2,253,938.05
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Solution
The fourth proportional to 4,089,475.05, 5,643,509.91 and 2,253,938.05 is: 3,110,453.43
Step by Step Solution
- Step 1: Write the proportion equation
4,089,475.05 : 5,643,509.91 = 2,253,938.05 : x - Step 2: Convert to fraction form
4,089,475.05/5,643,509.91 = 2,253,938.05/x - Step 3: Cross multiply
4,089,475.05x = 5,643,509.91 × 2,253,938.05 - Step 4: Simplify right side
4,089,475.05x = 12,720,121,701,236.85 - Step 5: Solve for x
x = 12,720,121,701,236.85/4,089,475.05 - Step 6: Final answer
x = 3,110,453.43
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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.