Finding the Fourth Proportional to 5,351,940.73, 7,385,682 and 2,904,551.20
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Solution
The fourth proportional to 5,351,940.73, 7,385,682 and 2,904,551.20 is: 4,008,282.71
Step by Step Solution
- Step 1: Write the proportion equation
5,351,940.73 : 7,385,682 = 2,904,551.20 : x - Step 2: Convert to fraction form
5,351,940.73/7,385,682 = 2,904,551.20/x - Step 3: Cross multiply
5,351,940.73x = 7,385,682 × 2,904,551.20 - Step 4: Simplify right side
5,351,940.73x = 21,452,091,515,918.40 - Step 5: Solve for x
x = 21,452,091,515,918.40/5,351,940.73 - Step 6: Final answer
x = 4,008,282.71
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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.