Finding the Fourth Proportional to 4,054,309.70, 6,079,671.21 and 1,213,892.42
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Solution
The fourth proportional to 4,054,309.70, 6,079,671.21 and 1,213,892.42 is: 1,820,301.69
Step by Step Solution
- Step 1: Write the proportion equation
4,054,309.70 : 6,079,671.21 = 1,213,892.42 : x - Step 2: Convert to fraction form
4,054,309.70/6,079,671.21 = 1,213,892.42/x - Step 3: Cross multiply
4,054,309.70x = 6,079,671.21 × 1,213,892.42 - Step 4: Simplify right side
4,054,309.70x = 7,380,066,797,911.23 - Step 5: Solve for x
x = 7,380,066,797,911.23/4,054,309.70 - Step 6: Final answer
x = 1,820,301.69
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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.