Finding the Fourth Proportional to 3,016,767.26, 4,163,220.93 and 1,640,203.64
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Solution
The fourth proportional to 3,016,767.26, 4,163,220.93 and 1,640,203.64 is: 2,263,525.67
Step by Step Solution
- Step 1: Write the proportion equation
3,016,767.26 : 4,163,220.93 = 1,640,203.64 : x - Step 2: Convert to fraction form
3,016,767.26/4,163,220.93 = 1,640,203.64/x - Step 3: Cross multiply
3,016,767.26x = 4,163,220.93 × 1,640,203.64 - Step 4: Simplify right side
3,016,767.26x = 6,828,530,133,918.24 - Step 5: Solve for x
x = 6,828,530,133,918.24/3,016,767.26 - Step 6: Final answer
x = 2,263,525.67
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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.