Finding the Fourth Proportional to 2,731,891.90, 3,770,504.28 and 1,629,393.97
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Solution
The fourth proportional to 2,731,891.90, 3,770,504.28 and 1,629,393.97 is: 2,248,857.99
Step by Step Solution
- Step 1: Write the proportion equation
2,731,891.90 : 3,770,504.28 = 1,629,393.97 : x - Step 2: Convert to fraction form
2,731,891.90/3,770,504.28 = 1,629,393.97/x - Step 3: Cross multiply
2,731,891.90x = 3,770,504.28 × 1,629,393.97 - Step 4: Simplify right side
2,731,891.90x = 6,143,636,937,691.19 - Step 5: Solve for x
x = 6,143,636,937,691.19/2,731,891.90 - Step 6: Final answer
x = 2,248,857.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.