Finding the Fourth Proportional to 2,529,976.32, 3,491,354.88 and 1,384,035.84
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Solution
The fourth proportional to 2,529,976.32, 3,491,354.88 and 1,384,035.84 is: 1,909,962.65
Step by Step Solution
- Step 1: Write the proportion equation
2,529,976.32 : 3,491,354.88 = 1,384,035.84 : x - Step 2: Convert to fraction form
2,529,976.32/3,491,354.88 = 1,384,035.84/x - Step 3: Cross multiply
2,529,976.32x = 3,491,354.88 × 1,384,035.84 - Step 4: Simplify right side
2,529,976.32x = 4,832,160,284,078.90 - Step 5: Solve for x
x = 4,832,160,284,078.90/2,529,976.32 - Step 6: Final answer
x = 1,909,962.65
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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.