Finding the Fourth Proportional to 2,144,755.12, 3,217,130.61 and 547,318.21
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Solution
The fourth proportional to 2,144,755.12, 3,217,130.61 and 547,318.21 is: 820,976.79
Step by Step Solution
- Step 1: Write the proportion equation
2,144,755.12 : 3,217,130.61 = 547,318.21 : x - Step 2: Convert to fraction form
2,144,755.12/3,217,130.61 = 547,318.21/x - Step 3: Cross multiply
2,144,755.12x = 3,217,130.61 × 547,318.21 - Step 4: Simplify right side
2,144,755.12x = 1,760,794,166,801.41 - Step 5: Solve for x
x = 1,760,794,166,801.41/2,144,755.12 - Step 6: Final answer
x = 820,976.79
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1.5x scale
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.