Finding the Fourth Proportional to 1,941,812.72, 2,680,850.94 and 1,726,357.68
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Solution
The fourth proportional to 1,941,812.72, 2,680,850.94 and 1,726,357.68 is: 2,383,395.46
Step by Step Solution
- Step 1: Write the proportion equation
1,941,812.72 : 2,680,850.94 = 1,726,357.68 : x - Step 2: Convert to fraction form
1,941,812.72/2,680,850.94 = 1,726,357.68/x - Step 3: Cross multiply
1,941,812.72x = 2,680,850.94 × 1,726,357.68 - Step 4: Simplify right side
1,941,812.72x = 4,628,107,609,204.22 - Step 5: Solve for x
x = 4,628,107,609,204.22/1,941,812.72 - Step 6: Final answer
x = 2,383,395.46
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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.