Finding the Fourth Proportional to 5,821,039.98, 7,974,863.51 and 5,602,863.42
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Solution
The fourth proportional to 5,821,039.98, 7,974,863.51 and 5,602,863.42 is: 7,675,960.17
Step by Step Solution
- Step 1: Write the proportion equation
5,821,039.98 : 7,974,863.51 = 5,602,863.42 : x - Step 2: Convert to fraction form
5,821,039.98/7,974,863.51 = 5,602,863.42/x - Step 3: Cross multiply
5,821,039.98x = 7,974,863.51 × 5,602,863.42 - Step 4: Simplify right side
5,821,039.98x = 44,682,071,011,657.48 - Step 5: Solve for x
x = 44,682,071,011,657.48/5,821,039.98 - Step 6: Final answer
x = 7,675,960.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.