Finding the Fourth Proportional to 6,898,916.35, 10,349,889.23 and 2,040,842.53
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Solution
The fourth proportional to 6,898,916.35, 10,349,889.23 and 2,040,842.53 is: 3,061,711.88
Step by Step Solution
- Step 1: Write the proportion equation
6,898,916.35 : 10,349,889.23 = 2,040,842.53 : x - Step 2: Convert to fraction form
6,898,916.35/10,349,889.23 = 2,040,842.53/x - Step 3: Cross multiply
6,898,916.35x = 10,349,889.23 × 2,040,842.53 - Step 4: Simplify right side
6,898,916.35x = 21,122,494,121,372.95 - Step 5: Solve for x
x = 21,122,494,121,372.95/6,898,916.35 - Step 6: Final answer
x = 3,061,711.88
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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.