Finding the Fourth Proportional to 2,228,174.48, 3,074,884.84 and 1,209,579.92
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Solution
The fourth proportional to 2,228,174.48, 3,074,884.84 and 1,209,579.92 is: 1,669,222.49
Step by Step Solution
- Step 1: Write the proportion equation
2,228,174.48 : 3,074,884.84 = 1,209,579.92 : x - Step 2: Convert to fraction form
2,228,174.48/3,074,884.84 = 1,209,579.92/x - Step 3: Cross multiply
2,228,174.48x = 3,074,884.84 × 1,209,579.92 - Step 4: Simplify right side
2,228,174.48x = 3,719,318,958,776.41 - Step 5: Solve for x
x = 3,719,318,958,776.41/2,228,174.48 - Step 6: Final answer
x = 1,669,222.49
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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.