Finding the Fourth Proportional to 3,759,616.71, 5,187,892.42 and 2,127,739.95
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Solution
The fourth proportional to 3,759,616.71, 5,187,892.42 and 2,127,739.95 is: 2,936,066.84
Step by Step Solution
- Step 1: Write the proportion equation
3,759,616.71 : 5,187,892.42 = 2,127,739.95 : x - Step 2: Convert to fraction form
3,759,616.71/5,187,892.42 = 2,127,739.95/x - Step 3: Cross multiply
3,759,616.71x = 5,187,892.42 × 2,127,739.95 - Step 4: Simplify right side
3,759,616.71x = 11,038,485,958,336.18 - Step 5: Solve for x
x = 11,038,485,958,336.18/3,759,616.71 - Step 6: Final answer
x = 2,936,066.84
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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.