Finding the Fourth Proportional to 1,516,986.09, 2,275,639.07 and 505,755.56
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Solution
The fourth proportional to 1,516,986.09, 2,275,639.07 and 505,755.56 is: 758,686.66
Step by Step Solution
- Step 1: Write the proportion equation
1,516,986.09 : 2,275,639.07 = 505,755.56 : x - Step 2: Convert to fraction form
1,516,986.09/2,275,639.07 = 505,755.56/x - Step 3: Cross multiply
1,516,986.09x = 2,275,639.07 × 505,755.56 - Step 4: Simplify right side
1,516,986.09x = 1,150,917,115,366.05 - Step 5: Solve for x
x = 1,150,917,115,366.05/1,516,986.09 - Step 6: Final answer
x = 758,686.66
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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.