Finding the Fourth Proportional to 5,071,460.09, 7,607,633.06 and 1,284,942.97
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Solution
The fourth proportional to 5,071,460.09, 7,607,633.06 and 1,284,942.97 is: 1,927,526.68
Step by Step Solution
- Step 1: Write the proportion equation
5,071,460.09 : 7,607,633.06 = 1,284,942.97 : x - Step 2: Convert to fraction form
5,071,460.09/7,607,633.06 = 1,284,942.97/x - Step 3: Cross multiply
5,071,460.09x = 7,607,633.06 × 1,284,942.97 - Step 4: Simplify right side
5,071,460.09x = 9,775,374,618,786.59 - Step 5: Solve for x
x = 9,775,374,618,786.59/5,071,460.09 - Step 6: Final answer
x = 1,927,526.68
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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.