Finding the Fourth Proportional to 1,813,942.66, 2,720,913.97 and 661,275.67
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Solution
The fourth proportional to 1,813,942.66, 2,720,913.97 and 661,275.67 is: 991,913.50
Step by Step Solution
- Step 1: Write the proportion equation
1,813,942.66 : 2,720,913.97 = 661,275.67 : x - Step 2: Convert to fraction form
1,813,942.66/2,720,913.97 = 661,275.67/x - Step 3: Cross multiply
1,813,942.66x = 2,720,913.97 × 661,275.67 - Step 4: Simplify right side
1,813,942.66x = 1,799,274,208,524.11 - Step 5: Solve for x
x = 1,799,274,208,524.11/1,813,942.66 - Step 6: Final answer
x = 991,913.50
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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.