Finding the Fourth Proportional to 2,918,549.11, 4,027,969.30 and 1,694,610.97
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Solution
The fourth proportional to 2,918,549.11, 4,027,969.30 and 1,694,610.97 is: 2,338,778.86
Step by Step Solution
- Step 1: Write the proportion equation
2,918,549.11 : 4,027,969.30 = 1,694,610.97 : x - Step 2: Convert to fraction form
2,918,549.11/4,027,969.30 = 1,694,610.97/x - Step 3: Cross multiply
2,918,549.11x = 4,027,969.30 × 1,694,610.97 - Step 4: Simplify right side
2,918,549.11x = 6,825,840,962,603.22 - Step 5: Solve for x
x = 6,825,840,962,603.22/2,918,549.11 - Step 6: Final answer
x = 2,338,778.86
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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.