Finding the Fourth Proportional to 1,628,603.40, 2,441,738.70 and 681,486.60
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Solution
The fourth proportional to 1,628,603.40, 2,441,738.70 and 681,486.60 is: 1,021,741.82
Step by Step Solution
- Step 1: Write the proportion equation
1,628,603.40 : 2,441,738.70 = 681,486.60 : x - Step 2: Convert to fraction form
1,628,603.40/2,441,738.70 = 681,486.60/x - Step 3: Cross multiply
1,628,603.40x = 2,441,738.70 × 681,486.60 - Step 4: Simplify right side
1,628,603.40x = 1,664,012,204,751.42 - Step 5: Solve for x
x = 1,664,012,204,751.42/1,628,603.40 - Step 6: Final answer
x = 1,021,741.82
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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.