Finding the Fourth Proportional to 2,519,591.40, 3,476,886.32 and 1,431,711.99
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Solution
The fourth proportional to 2,519,591.40, 3,476,886.32 and 1,431,711.99 is: 1,975,677.42
Step by Step Solution
- Step 1: Write the proportion equation
2,519,591.40 : 3,476,886.32 = 1,431,711.99 : x - Step 2: Convert to fraction form
2,519,591.40/3,476,886.32 = 1,431,711.99/x - Step 3: Cross multiply
2,519,591.40x = 3,476,886.32 × 1,431,711.99 - Step 4: Simplify right side
2,519,591.40x = 4,977,899,835,790.26 - Step 5: Solve for x
x = 4,977,899,835,790.26/2,519,591.40 - Step 6: Final answer
x = 1,975,677.42
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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.