Finding the Fourth Proportional to 1,874,528.12, 2,811,791.28 and 454,583.96
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Solution
The fourth proportional to 1,874,528.12, 2,811,791.28 and 454,583.96 is: 681,875.72
Step by Step Solution
- Step 1: Write the proportion equation
1,874,528.12 : 2,811,791.28 = 454,583.96 : x - Step 2: Convert to fraction form
1,874,528.12/2,811,791.28 = 454,583.96/x - Step 3: Cross multiply
1,874,528.12x = 2,811,791.28 × 454,583.96 - Step 4: Simplify right side
1,874,528.12x = 1,278,195,214,755.87 - Step 5: Solve for x
x = 1,278,195,214,755.87/1,874,528.12 - Step 6: Final answer
x = 681,875.72
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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.