Finding the Fourth Proportional to 5,154,434.73, 7,728,240.02 and 2,459,175.93
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Solution
The fourth proportional to 5,154,434.73, 7,728,240.02 and 2,459,175.93 is: 3,687,135.99
Step by Step Solution
- Step 1: Write the proportion equation
5,154,434.73 : 7,728,240.02 = 2,459,175.93 : x - Step 2: Convert to fraction form
5,154,434.73/7,728,240.02 = 2,459,175.93/x - Step 3: Cross multiply
5,154,434.73x = 7,728,240.02 × 2,459,175.93 - Step 4: Simplify right side
5,154,434.73x = 19,005,101,826,150.84 - Step 5: Solve for x
x = 19,005,101,826,150.84/5,154,434.73 - Step 6: Final answer
x = 3,687,135.99
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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.