Finding the Fourth Proportional to 1,431,074.84, 2,146,589.94 and 366,107.72
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Solution
The fourth proportional to 1,431,074.84, 2,146,589.94 and 366,107.72 is: 549,155.87
Step by Step Solution
- Step 1: Write the proportion equation
1,431,074.84 : 2,146,589.94 = 366,107.72 : x - Step 2: Convert to fraction form
1,431,074.84/2,146,589.94 = 366,107.72/x - Step 3: Cross multiply
1,431,074.84x = 2,146,589.94 × 366,107.72 - Step 4: Simplify right side
1,431,074.84x = 785,883,148,708.34 - Step 5: Solve for x
x = 785,883,148,708.34/1,431,074.84 - Step 6: Final answer
x = 549,155.87
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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.