Finding the Fourth Proportional to 2,268,982.26, 3,403,404.41 and 921,112.29
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Solution
The fourth proportional to 2,268,982.26, 3,403,404.41 and 921,112.29 is: 1,381,640.43
Step by Step Solution
- Step 1: Write the proportion equation
2,268,982.26 : 3,403,404.41 = 921,112.29 : x - Step 2: Convert to fraction form
2,268,982.26/3,403,404.41 = 921,112.29/x - Step 3: Cross multiply
2,268,982.26x = 3,403,404.41 × 921,112.29 - Step 4: Simplify right side
2,268,982.26x = 3,134,917,625,285.64 - Step 5: Solve for x
x = 3,134,917,625,285.64/2,268,982.26 - Step 6: Final answer
x = 1,381,640.43
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1.5x scale
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.