Finding the Fourth Proportional to 3,198,941.97, 4,798,412.97 and 1,069,026.09
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Solution
The fourth proportional to 3,198,941.97, 4,798,412.97 and 1,069,026.09 is: 1,603,539.14
Step by Step Solution
- Step 1: Write the proportion equation
3,198,941.97 : 4,798,412.97 = 1,069,026.09 : x - Step 2: Convert to fraction form
3,198,941.97/4,798,412.97 = 1,069,026.09/x - Step 3: Cross multiply
3,198,941.97x = 4,798,412.97 × 1,069,026.09 - Step 4: Simplify right side
3,198,941.97x = 5,129,628,655,524.39 - Step 5: Solve for x
x = 5,129,628,655,524.39/3,198,941.97 - Step 6: Final answer
x = 1,603,539.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.