Finding the Fourth Proportional to 3,992,221.18, 5,509,318.38 and 2,273,348.53
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Solution
The fourth proportional to 3,992,221.18, 5,509,318.38 and 2,273,348.53 is: 3,137,251.24
Step by Step Solution
- Step 1: Write the proportion equation
3,992,221.18 : 5,509,318.38 = 2,273,348.53 : x - Step 2: Convert to fraction form
3,992,221.18/5,509,318.38 = 2,273,348.53/x - Step 3: Cross multiply
3,992,221.18x = 5,509,318.38 × 2,273,348.53 - Step 4: Simplify right side
3,992,221.18x = 12,524,600,829,108.24 - Step 5: Solve for x
x = 12,524,600,829,108.24/3,992,221.18 - Step 6: Final answer
x = 3,137,251.24
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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.