Finding the Fourth Proportional to 3,995,393.75, 5,513,664.63 and 2,184,557.75
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Solution
The fourth proportional to 3,995,393.75, 5,513,664.63 and 2,184,557.75 is: 3,014,701.31
Step by Step Solution
- Step 1: Write the proportion equation
3,995,393.75 : 5,513,664.63 = 2,184,557.75 : x - Step 2: Convert to fraction form
3,995,393.75/5,513,664.63 = 2,184,557.75/x - Step 3: Cross multiply
3,995,393.75x = 5,513,664.63 × 2,184,557.75 - Step 4: Simplify right side
3,995,393.75x = 12,044,918,770,799.06 - Step 5: Solve for x
x = 12,044,918,770,799.06/3,995,393.75 - Step 6: Final answer
x = 3,014,701.31
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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.