Finding the Fourth Proportional to 1,481,197.44, 2,218,821.12 and 681,366.72
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Solution
The fourth proportional to 1,481,197.44, 2,218,821.12 and 681,366.72 is: 1,020,681.53
Step by Step Solution
- Step 1: Write the proportion equation
1,481,197.44 : 2,218,821.12 = 681,366.72 : x - Step 2: Convert to fraction form
1,481,197.44/2,218,821.12 = 681,366.72/x - Step 3: Cross multiply
1,481,197.44x = 2,218,821.12 × 681,366.72 - Step 4: Simplify right side
1,481,197.44x = 1,511,830,868,801.13 - Step 5: Solve for x
x = 1,511,830,868,801.13/1,481,197.44 - Step 6: Final answer
x = 1,020,681.53
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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.