Finding the Fourth Proportional to 5,456,538.93, 7,531,476.02 and 3,223,272.99
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Solution
The fourth proportional to 5,456,538.93, 7,531,476.02 and 3,223,272.99 is: 4,448,974.62
Step by Step Solution
- Step 1: Write the proportion equation
5,456,538.93 : 7,531,476.02 = 3,223,272.99 : x - Step 2: Convert to fraction form
5,456,538.93/7,531,476.02 = 3,223,272.99/x - Step 3: Cross multiply
5,456,538.93x = 7,531,476.02 × 3,223,272.99 - Step 4: Simplify right side
5,456,538.93x = 24,276,003,213,982.34 - Step 5: Solve for x
x = 24,276,003,213,982.34/5,456,538.93 - Step 6: Final answer
x = 4,448,974.62
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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.