Finding the Fourth Proportional to 3,490,151.40, 5,239,163.70 and 2,694,958.20
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Solution
The fourth proportional to 3,490,151.40, 5,239,163.70 and 2,694,958.20 is: 4,045,476.99
Step by Step Solution
- Step 1: Write the proportion equation
3,490,151.40 : 5,239,163.70 = 2,694,958.20 : x - Step 2: Convert to fraction form
3,490,151.40/5,239,163.70 = 2,694,958.20/x - Step 3: Cross multiply
3,490,151.40x = 5,239,163.70 × 2,694,958.20 - Step 4: Simplify right side
3,490,151.40x = 14,119,327,174,457.34 - Step 5: Solve for x
x = 14,119,327,174,457.34/3,490,151.40 - Step 6: Final answer
x = 4,045,476.99
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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.