Finding the Fourth Proportional to 5,561,251.46, 8,338,836.18 and 4,415,855.70
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Solution
The fourth proportional to 5,561,251.46, 8,338,836.18 and 4,415,855.70 is: 6,621,368.87
Step by Step Solution
- Step 1: Write the proportion equation
5,561,251.46 : 8,338,836.18 = 4,415,855.70 : x - Step 2: Convert to fraction form
5,561,251.46/8,338,836.18 = 4,415,855.70/x - Step 3: Cross multiply
5,561,251.46x = 8,338,836.18 × 4,415,855.70 - Step 4: Simplify right side
5,561,251.46x = 36,823,097,276,819.23 - Step 5: Solve for x
x = 36,823,097,276,819.23/5,561,251.46 - Step 6: Final answer
x = 6,621,368.87
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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.