Finding the Fourth Proportional to 2,529,129.12, 3,793,689.36 and 1,180,839.84
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Solution
The fourth proportional to 2,529,129.12, 3,793,689.36 and 1,180,839.84 is: 1,771,257.74
Step by Step Solution
- Step 1: Write the proportion equation
2,529,129.12 : 3,793,689.36 = 1,180,839.84 : x - Step 2: Convert to fraction form
2,529,129.12/3,793,689.36 = 1,180,839.84/x - Step 3: Cross multiply
2,529,129.12x = 3,793,689.36 × 1,180,839.84 - Step 4: Simplify right side
2,529,129.12x = 4,479,739,536,872.10 - Step 5: Solve for x
x = 4,479,739,536,872.10/2,529,129.12 - Step 6: Final answer
x = 1,771,257.74
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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.