Finding the Fourth Proportional to 2,560,213.84, 3,840,306.80 and 1,043,890.88
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Solution
The fourth proportional to 2,560,213.84, 3,840,306.80 and 1,043,890.88 is: 1,565,830.63
Step by Step Solution
- Step 1: Write the proportion equation
2,560,213.84 : 3,840,306.80 = 1,043,890.88 : x - Step 2: Convert to fraction form
2,560,213.84/3,840,306.80 = 1,043,890.88/x - Step 3: Cross multiply
2,560,213.84x = 3,840,306.80 × 1,043,890.88 - Step 4: Simplify right side
2,560,213.84x = 4,008,861,244,921.98 - Step 5: Solve for x
x = 4,008,861,244,921.98/2,560,213.84 - Step 6: Final answer
x = 1,565,830.63
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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.