Finding the Fourth Proportional to 5,120,696.97, 7,682,152.62 and 2,724,193.31
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Solution
The fourth proportional to 5,120,696.97, 7,682,152.62 and 2,724,193.31 is: 4,086,878.97
Step by Step Solution
- Step 1: Write the proportion equation
5,120,696.97 : 7,682,152.62 = 2,724,193.31 : x - Step 2: Convert to fraction form
5,120,696.97/7,682,152.62 = 2,724,193.31/x - Step 3: Cross multiply
5,120,696.97x = 7,682,152.62 × 2,724,193.31 - Step 4: Simplify right side
5,120,696.97x = 20,927,668,745,607.94 - Step 5: Solve for x
x = 20,927,668,745,607.94/5,120,696.97 - Step 6: Final answer
x = 4,086,878.97
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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.