Finding the Fourth Proportional to 3,956,099.81, 5,459,646.54 and 2,213,753.99
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Solution
The fourth proportional to 3,956,099.81, 5,459,646.54 and 2,213,753.99 is: 3,055,108.54
Step by Step Solution
- Step 1: Write the proportion equation
3,956,099.81 : 5,459,646.54 = 2,213,753.99 : x - Step 2: Convert to fraction form
3,956,099.81/5,459,646.54 = 2,213,753.99/x - Step 3: Cross multiply
3,956,099.81x = 5,459,646.54 × 2,213,753.99 - Step 4: Simplify right side
3,956,099.81x = 12,086,314,311,914.70 - Step 5: Solve for x
x = 12,086,314,311,914.70/3,956,099.81 - Step 6: Final answer
x = 3,055,108.54
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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.