Finding the Fourth Proportional to 3,480,319.82, 4,802,874.12 and 1,952,459.75
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Solution
The fourth proportional to 3,480,319.82, 4,802,874.12 and 1,952,459.75 is: 2,694,412.84
Step by Step Solution
- Step 1: Write the proportion equation
3,480,319.82 : 4,802,874.12 = 1,952,459.75 : x - Step 2: Convert to fraction form
3,480,319.82/4,802,874.12 = 1,952,459.75/x - Step 3: Cross multiply
3,480,319.82x = 4,802,874.12 × 1,952,459.75 - Step 4: Simplify right side
3,480,319.82x = 9,377,418,379,602.30 - Step 5: Solve for x
x = 9,377,418,379,602.30/3,480,319.82 - Step 6: Final answer
x = 2,694,412.84
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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.