Finding the Fourth Proportional to 3,403,194.59, 5,105,585.99 and 1,128,552.59
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Solution
The fourth proportional to 3,403,194.59, 5,105,585.99 and 1,128,552.59 is: 1,693,092.22
Step by Step Solution
- Step 1: Write the proportion equation
3,403,194.59 : 5,105,585.99 = 1,128,552.59 : x - Step 2: Convert to fraction form
3,403,194.59/5,105,585.99 = 1,128,552.59/x - Step 3: Cross multiply
3,403,194.59x = 5,105,585.99 × 1,128,552.59 - Step 4: Simplify right side
3,403,194.59x = 5,761,922,292,482.22 - Step 5: Solve for x
x = 5,761,922,292,482.22/3,403,194.59 - Step 6: Final answer
x = 1,693,092.22
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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.