Finding the Fourth Proportional to 2,694,453.80, 3,718,343.94 and 1,487,226.92
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Solution
The fourth proportional to 2,694,453.80, 3,718,343.94 and 1,487,226.92 is: 2,052,371.88
Step by Step Solution
- Step 1: Write the proportion equation
2,694,453.80 : 3,718,343.94 = 1,487,226.92 : x - Step 2: Convert to fraction form
2,694,453.80/3,718,343.94 = 1,487,226.92/x - Step 3: Cross multiply
2,694,453.80x = 3,718,343.94 × 1,487,226.92 - Step 4: Simplify right side
2,694,453.80x = 5,530,021,205,386.86 - Step 5: Solve for x
x = 5,530,021,205,386.86/2,694,453.80 - Step 6: Final answer
x = 2,052,371.88
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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.