Finding the Fourth Proportional to 3,813,059.88, 5,720,377.68 and 1,117,473.30
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Solution
The fourth proportional to 3,813,059.88, 5,720,377.68 and 1,117,473.30 is: 1,676,440.84
Step by Step Solution
- Step 1: Write the proportion equation
3,813,059.88 : 5,720,377.68 = 1,117,473.30 : x - Step 2: Convert to fraction form
3,813,059.88/5,720,377.68 = 1,117,473.30/x - Step 3: Cross multiply
3,813,059.88x = 5,720,377.68 × 1,117,473.30 - Step 4: Simplify right side
3,813,059.88x = 6,392,369,323,315.94 - Step 5: Solve for x
x = 6,392,369,323,315.94/3,813,059.88 - Step 6: Final answer
x = 1,676,440.84
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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.