Finding the Fourth Proportional to 5,463,489.84, 7,539,640.12 and 3,016,121.02
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Solution
The fourth proportional to 5,463,489.84, 7,539,640.12 and 3,016,121.02 is: 4,162,260.33
Step by Step Solution
- Step 1: Write the proportion equation
5,463,489.84 : 7,539,640.12 = 3,016,121.02 : x - Step 2: Convert to fraction form
5,463,489.84/7,539,640.12 = 3,016,121.02/x - Step 3: Cross multiply
5,463,489.84x = 7,539,640.12 × 3,016,121.02 - Step 4: Simplify right side
5,463,489.84x = 22,740,467,049,167.32 - Step 5: Solve for x
x = 22,740,467,049,167.32/5,463,489.84 - Step 6: Final answer
x = 4,162,260.33
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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.