Finding the Fourth Proportional to 5,743,965.63, 7,926,646.58 and 3,165,640.83
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Solution
The fourth proportional to 5,743,965.63, 7,926,646.58 and 3,165,640.83 is: 4,368,570.02
Step by Step Solution
- Step 1: Write the proportion equation
5,743,965.63 : 7,926,646.58 = 3,165,640.83 : x - Step 2: Convert to fraction form
5,743,965.63/7,926,646.58 = 3,165,640.83/x - Step 3: Cross multiply
5,743,965.63x = 7,926,646.58 × 3,165,640.83 - Step 4: Simplify right side
5,743,965.63x = 25,092,916,042,799.66 - Step 5: Solve for x
x = 25,092,916,042,799.66/5,743,965.63 - Step 6: Final answer
x = 4,368,570.02
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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.