Finding the Fourth Proportional to 1,770,716.84, 2,443,342.74 and 1,006,685.96
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Solution
The fourth proportional to 1,770,716.84, 2,443,342.74 and 1,006,685.96 is: 1,389,086.49
Step by Step Solution
- Step 1: Write the proportion equation
1,770,716.84 : 2,443,342.74 = 1,006,685.96 : x - Step 2: Convert to fraction form
1,770,716.84/2,443,342.74 = 1,006,685.96/x - Step 3: Cross multiply
1,770,716.84x = 2,443,342.74 × 1,006,685.96 - Step 4: Simplify right side
1,770,716.84x = 2,459,678,831,825.93 - Step 5: Solve for x
x = 2,459,678,831,825.93/1,770,716.84 - Step 6: Final answer
x = 1,389,086.49
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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.