Finding the Fourth Proportional to 3,591,841.91, 4,956,756.66 and 1,960,283.75
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Solution
The fourth proportional to 3,591,841.91, 4,956,756.66 and 1,960,283.75 is: 2,705,199.66
Step by Step Solution
- Step 1: Write the proportion equation
3,591,841.91 : 4,956,756.66 = 1,960,283.75 : x - Step 2: Convert to fraction form
3,591,841.91/4,956,756.66 = 1,960,283.75/x - Step 3: Cross multiply
3,591,841.91x = 4,956,756.66 × 1,960,283.75 - Step 4: Simplify right side
3,591,841.91x = 9,716,649,508,518.49 - Step 5: Solve for x
x = 9,716,649,508,518.49/3,591,841.91 - Step 6: Final answer
x = 2,705,199.66
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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.