Finding the Fourth Proportional to 2,560,861.85, 3,534,725.70 and 1,690,331.96
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Solution
The fourth proportional to 2,560,861.85, 3,534,725.70 and 1,690,331.96 is: 2,333,144.14
Step by Step Solution
- Step 1: Write the proportion equation
2,560,861.85 : 3,534,725.70 = 1,690,331.96 : x - Step 2: Convert to fraction form
2,560,861.85/3,534,725.70 = 1,690,331.96/x - Step 3: Cross multiply
2,560,861.85x = 3,534,725.70 × 1,690,331.96 - Step 4: Simplify right side
2,560,861.85x = 5,974,859,802,869.74 - Step 5: Solve for x
x = 5,974,859,802,869.74/2,560,861.85 - Step 6: Final answer
x = 2,333,144.14
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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.