Finding the Fourth Proportional to 2,144,512.20, 3,218,097.80 and 1,246,376.92
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Solution
The fourth proportional to 2,144,512.20, 3,218,097.80 and 1,246,376.92 is: 1,870,338.08
Step by Step Solution
- Step 1: Write the proportion equation
2,144,512.20 : 3,218,097.80 = 1,246,376.92 : x - Step 2: Convert to fraction form
2,144,512.20/3,218,097.80 = 1,246,376.92/x - Step 3: Cross multiply
2,144,512.20x = 3,218,097.80 × 1,246,376.92 - Step 4: Simplify right side
2,144,512.20x = 4,010,962,824,222.78 - Step 5: Solve for x
x = 4,010,962,824,222.78/2,144,512.20 - Step 6: Final answer
x = 1,870,338.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.