Finding the Fourth Proportional to 4,869,717.23, 6,720,407.60 and 2,694,224.95
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Solution
The fourth proportional to 4,869,717.23, 6,720,407.60 and 2,694,224.95 is: 3,718,139.88
Step by Step Solution
- Step 1: Write the proportion equation
4,869,717.23 : 6,720,407.60 = 2,694,224.95 : x - Step 2: Convert to fraction form
4,869,717.23/6,720,407.60 = 2,694,224.95/x - Step 3: Cross multiply
4,869,717.23x = 6,720,407.60 × 2,694,224.95 - Step 4: Simplify right side
4,869,717.23x = 18,106,289,837,619.77 - Step 5: Solve for x
x = 18,106,289,837,619.77/4,869,717.23 - Step 6: Final answer
x = 3,718,139.88
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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.