Finding the Fourth Proportional to 4,392,390.74, 6,057,240.62 and 3,425,168.12
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Solution
The fourth proportional to 4,392,390.74, 6,057,240.62 and 3,425,168.12 is: 4,723,411.16
Step by Step Solution
- Step 1: Write the proportion equation
4,392,390.74 : 6,057,240.62 = 3,425,168.12 : x - Step 2: Convert to fraction form
4,392,390.74/6,057,240.62 = 3,425,168.12/x - Step 3: Cross multiply
4,392,390.74x = 6,057,240.62 × 3,425,168.12 - Step 4: Simplify right side
4,392,390.74x = 20,747,067,419,380.99 - Step 5: Solve for x
x = 20,747,067,419,380.99/4,392,390.74 - Step 6: Final answer
x = 4,723,411.16
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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.