Finding the Fourth Proportional to 2,944,371.20, 4,416,556.80 and 2,471,979.20
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Solution
The fourth proportional to 2,944,371.20, 4,416,556.80 and 2,471,979.20 is: 3,707,968.80
Step by Step Solution
- Step 1: Write the proportion equation
2,944,371.20 : 4,416,556.80 = 2,471,979.20 : x - Step 2: Convert to fraction form
2,944,371.20/4,416,556.80 = 2,471,979.20/x - Step 3: Cross multiply
2,944,371.20x = 4,416,556.80 × 2,471,979.20 - Step 4: Simplify right side
2,944,371.20x = 10,917,636,545,218.56 - Step 5: Solve for x
x = 10,917,636,545,218.56/2,944,371.20 - Step 6: Final answer
x = 3,707,968.80
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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.