Finding the Fourth Proportional to 2,548,821.82, 3,515,583.34 and 1,677,378.87
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Solution
The fourth proportional to 2,548,821.82, 3,515,583.34 and 1,677,378.87 is: 2,313,604.33
Step by Step Solution
- Step 1: Write the proportion equation
2,548,821.82 : 3,515,583.34 = 1,677,378.87 : x - Step 2: Convert to fraction form
2,548,821.82/3,515,583.34 = 1,677,378.87/x - Step 3: Cross multiply
2,548,821.82x = 3,515,583.34 × 1,677,378.87 - Step 4: Simplify right side
2,548,821.82x = 5,896,965,210,240.03 - Step 5: Solve for x
x = 5,896,965,210,240.03/2,548,821.82 - Step 6: Final answer
x = 2,313,604.33
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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.