Finding the Fourth Proportional to 3,286,821.51, 4,535,804.10 and 1,836,518.09
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Solution
The fourth proportional to 3,286,821.51, 4,535,804.10 and 1,836,518.09 is: 2,534,389.60
Step by Step Solution
- Step 1: Write the proportion equation
3,286,821.51 : 4,535,804.10 = 1,836,518.09 : x - Step 2: Convert to fraction form
3,286,821.51/4,535,804.10 = 1,836,518.09/x - Step 3: Cross multiply
3,286,821.51x = 4,535,804.10 × 1,836,518.09 - Step 4: Simplify right side
3,286,821.51x = 8,330,086,259,667.15 - Step 5: Solve for x
x = 8,330,086,259,667.15/3,286,821.51 - Step 6: Final answer
x = 2,534,389.60
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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.