Finding the Fourth Proportional to 3,441,991.47, 4,750,037.82 and 1,893,293.05
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Solution
The fourth proportional to 3,441,991.47, 4,750,037.82 and 1,893,293.05 is: 2,612,793.69
Step by Step Solution
- Step 1: Write the proportion equation
3,441,991.47 : 4,750,037.82 = 1,893,293.05 : x - Step 2: Convert to fraction form
3,441,991.47/4,750,037.82 = 1,893,293.05/x - Step 3: Cross multiply
3,441,991.47x = 4,750,037.82 × 1,893,293.05 - Step 4: Simplify right side
3,441,991.47x = 8,993,213,590,228.99 - Step 5: Solve for x
x = 8,993,213,590,228.99/3,441,991.47 - Step 6: Final answer
x = 2,612,793.69
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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.