Finding the Fourth Proportional to 1,721,465.88, 2,375,433.18 and 996,172.44
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Solution
The fourth proportional to 1,721,465.88, 2,375,433.18 and 996,172.44 is: 1,374,608.17
Step by Step Solution
- Step 1: Write the proportion equation
1,721,465.88 : 2,375,433.18 = 996,172.44 : x - Step 2: Convert to fraction form
1,721,465.88/2,375,433.18 = 996,172.44/x - Step 3: Cross multiply
1,721,465.88x = 2,375,433.18 × 996,172.44 - Step 4: Simplify right side
1,721,465.88x = 2,366,341,066,977.56 - Step 5: Solve for x
x = 2,366,341,066,977.56/1,721,465.88 - Step 6: Final answer
x = 1,374,608.17
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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.