Finding the Fourth Proportional to 2,580,487.12, 3,561,193.68 and 1,434,586.56
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Solution
The fourth proportional to 2,580,487.12, 3,561,193.68 and 1,434,586.56 is: 1,979,796.97
Step by Step Solution
- Step 1: Write the proportion equation
2,580,487.12 : 3,561,193.68 = 1,434,586.56 : x - Step 2: Convert to fraction form
2,580,487.12/3,561,193.68 = 1,434,586.56/x - Step 3: Cross multiply
2,580,487.12x = 3,561,193.68 × 1,434,586.56 - Step 4: Simplify right side
2,580,487.12x = 5,108,840,590,884.94 - Step 5: Solve for x
x = 5,108,840,590,884.94/2,580,487.12 - Step 6: Final answer
x = 1,979,796.97
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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.