Finding the Fourth Proportional to 5,026,528.42, 6,936,315.92 and 2,821,186.34
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Solution
The fourth proportional to 5,026,528.42, 6,936,315.92 and 2,821,186.34 is: 3,893,072.53
Step by Step Solution
- Step 1: Write the proportion equation
5,026,528.42 : 6,936,315.92 = 2,821,186.34 : x - Step 2: Convert to fraction form
5,026,528.42/6,936,315.92 = 2,821,186.34/x - Step 3: Cross multiply
5,026,528.42x = 6,936,315.92 × 2,821,186.34 - Step 4: Simplify right side
5,026,528.42x = 19,568,639,723,428.53 - Step 5: Solve for x
x = 19,568,639,723,428.53/5,026,528.42 - Step 6: Final answer
x = 3,893,072.53
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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.