Finding the Fourth Proportional to 5,134,464.26, 7,690,344.30 and 3,511,386.68
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Solution
The fourth proportional to 5,134,464.26, 7,690,344.30 and 3,511,386.68 is: 5,259,316.49
Step by Step Solution
- Step 1: Write the proportion equation
5,134,464.26 : 7,690,344.30 = 3,511,386.68 : x - Step 2: Convert to fraction form
5,134,464.26/7,690,344.30 = 3,511,386.68/x - Step 3: Cross multiply
5,134,464.26x = 7,690,344.30 × 3,511,386.68 - Step 4: Simplify right side
5,134,464.26x = 27,003,772,539,633.93 - Step 5: Solve for x
x = 27,003,772,539,633.93/5,134,464.26 - Step 6: Final answer
x = 5,259,316.49
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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.