Finding the Fourth Proportional to 2,519,029.29, 3,476,129.25 and 1,431,149.88
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Solution
The fourth proportional to 2,519,029.29, 3,476,129.25 and 1,431,149.88 is: 1,974,912.31
Step by Step Solution
- Step 1: Write the proportion equation
2,519,029.29 : 3,476,129.25 = 1,431,149.88 : x - Step 2: Convert to fraction form
2,519,029.29/3,476,129.25 = 1,431,149.88/x - Step 3: Cross multiply
2,519,029.29x = 3,476,129.25 × 1,431,149.88 - Step 4: Simplify right side
2,519,029.29x = 4,974,861,959,001.99 - Step 5: Solve for x
x = 4,974,861,959,001.99/2,519,029.29 - Step 6: Final answer
x = 1,974,912.31
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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.