Finding the Fourth Proportional to 6,701,660.25, 9,247,999.69 and 3,721,178.07
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Solution
The fourth proportional to 6,701,660.25, 9,247,999.69 and 3,721,178.07 is: 5,135,063.90
Step by Step Solution
- Step 1: Write the proportion equation
6,701,660.25 : 9,247,999.69 = 3,721,178.07 : x - Step 2: Convert to fraction form
6,701,660.25/9,247,999.69 = 3,721,178.07/x - Step 3: Cross multiply
6,701,660.25x = 9,247,999.69 × 3,721,178.07 - Step 4: Simplify right side
6,701,660.25x = 34,413,453,621,513.90 - Step 5: Solve for x
x = 34,413,453,621,513.90/6,701,660.25 - Step 6: Final answer
x = 5,135,063.90
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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.