Finding the Fourth Proportional to 3,772,181.80, 5,205,748.74 and 2,053,219.24
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Solution
The fourth proportional to 3,772,181.80, 5,205,748.74 and 2,053,219.24 is: 2,833,517.59
Step by Step Solution
- Step 1: Write the proportion equation
3,772,181.80 : 5,205,748.74 = 2,053,219.24 : x - Step 2: Convert to fraction form
3,772,181.80/5,205,748.74 = 2,053,219.24/x - Step 3: Cross multiply
3,772,181.80x = 5,205,748.74 × 2,053,219.24 - Step 4: Simplify right side
3,772,181.80x = 10,688,543,471,573.76 - Step 5: Solve for x
x = 10,688,543,471,573.76/3,772,181.80 - Step 6: Final answer
x = 2,833,517.59
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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.