Finding the Fourth Proportional to 1,685,274.84, 2,528,286.87 and 786,226.13
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Solution
The fourth proportional to 1,685,274.84, 2,528,286.87 and 786,226.13 is: 1,179,513.97
Step by Step Solution
- Step 1: Write the proportion equation
1,685,274.84 : 2,528,286.87 = 786,226.13 : x - Step 2: Convert to fraction form
1,685,274.84/2,528,286.87 = 786,226.13/x - Step 3: Cross multiply
1,685,274.84x = 2,528,286.87 × 786,226.13 - Step 4: Simplify right side
1,685,274.84x = 1,987,805,207,361.59 - Step 5: Solve for x
x = 1,987,805,207,361.59/1,685,274.84 - Step 6: Final answer
x = 1,179,513.97
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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.