Finding the Fourth Proportional to 4,393,529.97, 6,589,021.97 and 1,319,396.78
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Solution
The fourth proportional to 4,393,529.97, 6,589,021.97 and 1,319,396.78 is: 1,978,712.88
Step by Step Solution
- Step 1: Write the proportion equation
4,393,529.97 : 6,589,021.97 = 1,319,396.78 : x - Step 2: Convert to fraction form
4,393,529.97/6,589,021.97 = 1,319,396.78/x - Step 3: Cross multiply
4,393,529.97x = 6,589,021.97 × 1,319,396.78 - Step 4: Simplify right side
4,393,529.97x = 8,693,534,331,025.16 - Step 5: Solve for x
x = 8,693,534,331,025.16/4,393,529.97 - Step 6: Final answer
x = 1,978,712.88
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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.