Finding the Fourth Proportional to 5,415,738.84, 8,075,876.75 and 5,367,171.06
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Solution
The fourth proportional to 5,415,738.84, 8,075,876.75 and 5,367,171.06 is: 8,003,453.13
Step by Step Solution
- Step 1: Write the proportion equation
5,415,738.84 : 8,075,876.75 = 5,367,171.06 : x - Step 2: Convert to fraction form
5,415,738.84/8,075,876.75 = 5,367,171.06/x - Step 3: Cross multiply
5,415,738.84x = 8,075,876.75 × 5,367,171.06 - Step 4: Simplify right side
5,415,738.84x = 43,344,611,949,891 - Step 5: Solve for x
x = 43,344,611,949,891/5,415,738.84 - Step 6: Final answer
x = 8,003,453.13
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.