Finding the Fourth Proportional to 5,509,470.78, 8,259,473.04 and 1,914,770.70
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Solution
The fourth proportional to 5,509,470.78, 8,259,473.04 and 1,914,770.70 is: 2,870,511.09
Step by Step Solution
- Step 1: Write the proportion equation
5,509,470.78 : 8,259,473.04 = 1,914,770.70 : x - Step 2: Convert to fraction form
5,509,470.78/8,259,473.04 = 1,914,770.70/x - Step 3: Cross multiply
5,509,470.78x = 8,259,473.04 × 1,914,770.70 - Step 4: Simplify right side
5,509,470.78x = 15,814,996,974,431.93 - Step 5: Solve for x
x = 15,814,996,974,431.93/5,509,470.78 - Step 6: Final answer
x = 2,870,511.09
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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.