Finding the Fourth Proportional to 5,512,974.48, 7,607,911.02 and 3,065,532.96
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Solution
The fourth proportional to 5,512,974.48, 7,607,911.02 and 3,065,532.96 is: 4,230,438.95
Step by Step Solution
- Step 1: Write the proportion equation
5,512,974.48 : 7,607,911.02 = 3,065,532.96 : x - Step 2: Convert to fraction form
5,512,974.48/7,607,911.02 = 3,065,532.96/x - Step 3: Cross multiply
5,512,974.48x = 7,607,911.02 × 3,065,532.96 - Step 4: Simplify right side
5,512,974.48x = 23,322,301,988,557.22 - Step 5: Solve for x
x = 23,322,301,988,557.22/5,512,974.48 - Step 6: Final answer
x = 4,230,438.95
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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.