Finding the Fourth Proportional to 4,988,146.45, 6,883,639.00 and 2,696,307.14
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Solution
The fourth proportional to 4,988,146.45, 6,883,639.00 and 2,696,307.14 is: 3,720,902.17
Step by Step Solution
- Step 1: Write the proportion equation
4,988,146.45 : 6,883,639.00 = 2,696,307.14 : x - Step 2: Convert to fraction form
4,988,146.45/6,883,639.00 = 2,696,307.14/x - Step 3: Cross multiply
4,988,146.45x = 6,883,639.00 × 2,696,307.14 - Step 4: Simplify right side
4,988,146.45x = 18,560,404,936,982.73 - Step 5: Solve for x
x = 18,560,404,936,982.73/4,988,146.45 - Step 6: Final answer
x = 3,720,902.17
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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.