Finding the Fourth Proportional to 1,858,201.40, 2,561,603.72 and 1,313,375.96
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Solution
The fourth proportional to 1,858,201.40, 2,561,603.72 and 1,313,375.96 is: 1,810,540.42
Step by Step Solution
- Step 1: Write the proportion equation
1,858,201.40 : 2,561,603.72 = 1,313,375.96 : x - Step 2: Convert to fraction form
1,858,201.40/2,561,603.72 = 1,313,375.96/x - Step 3: Cross multiply
1,858,201.40x = 2,561,603.72 × 1,313,375.96 - Step 4: Simplify right side
1,858,201.40x = 3,364,348,744,894.57 - Step 5: Solve for x
x = 3,364,348,744,894.57/1,858,201.40 - Step 6: Final answer
x = 1,810,540.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.