Finding the Fourth Proportional to 3,690,864.80, 5,093,386.36 and 2,059,175.08
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Solution
The fourth proportional to 3,690,864.80, 5,093,386.36 and 2,059,175.08 is: 2,841,657.67
Step by Step Solution
- Step 1: Write the proportion equation
3,690,864.80 : 5,093,386.36 = 2,059,175.08 : x - Step 2: Convert to fraction form
3,690,864.80/5,093,386.36 = 2,059,175.08/x - Step 3: Cross multiply
3,690,864.80x = 5,093,386.36 × 2,059,175.08 - Step 4: Simplify right side
3,690,864.80x = 10,488,174,265,323.91 - Step 5: Solve for x
x = 10,488,174,265,323.91/3,690,864.80 - Step 6: Final answer
x = 2,841,657.67
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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.