Finding the Fourth Proportional to 3,772,663.04, 5,204,736.64 and 2,321,920.64
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Solution
The fourth proportional to 3,772,663.04, 5,204,736.64 and 2,321,920.64 is: 3,203,303.69
Step by Step Solution
- Step 1: Write the proportion equation
3,772,663.04 : 5,204,736.64 = 2,321,920.64 : x - Step 2: Convert to fraction form
3,772,663.04/5,204,736.64 = 2,321,920.64/x - Step 3: Cross multiply
3,772,663.04x = 5,204,736.64 × 2,321,920.64 - Step 4: Simplify right side
3,772,663.04x = 12,084,985,430,180.25 - Step 5: Solve for x
x = 12,084,985,430,180.25/3,772,663.04 - Step 6: Final answer
x = 3,203,303.69
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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.