Finding the Fourth Proportional to 2,212,568.70, 3,319,366.47 and 696,212.23
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Solution
The fourth proportional to 2,212,568.70, 3,319,366.47 and 696,212.23 is: 1,044,479.90
Step by Step Solution
- Step 1: Write the proportion equation
2,212,568.70 : 3,319,366.47 = 696,212.23 : x - Step 2: Convert to fraction form
2,212,568.70/3,319,366.47 = 696,212.23/x - Step 3: Cross multiply
2,212,568.70x = 3,319,366.47 × 696,212.23 - Step 4: Simplify right side
2,212,568.70x = 2,310,983,527,567.68 - Step 5: Solve for x
x = 2,310,983,527,567.68/2,212,568.70 - Step 6: Final answer
x = 1,044,479.90
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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.