Finding the Fourth Proportional to 1,816,795.20, 2,731,097.70 and 1,556,979.60
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Solution
The fourth proportional to 1,816,795.20, 2,731,097.70 and 1,556,979.60 is: 2,340,529.85
Step by Step Solution
- Step 1: Write the proportion equation
1,816,795.20 : 2,731,097.70 = 1,556,979.60 : x - Step 2: Convert to fraction form
1,816,795.20/2,731,097.70 = 1,556,979.60/x - Step 3: Cross multiply
1,816,795.20x = 2,731,097.70 × 1,556,979.60 - Step 4: Simplify right side
1,816,795.20x = 4,252,263,404,506.92 - Step 5: Solve for x
x = 4,252,263,404,506.92/1,816,795.20 - Step 6: Final answer
x = 2,340,529.85
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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.