Finding the Fourth Proportional to 1,704,578.16, 2,556,202.60 and 639,039.44
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Solution
The fourth proportional to 1,704,578.16, 2,556,202.60 and 639,039.44 is: 958,309.99
Step by Step Solution
- Step 1: Write the proportion equation
1,704,578.16 : 2,556,202.60 = 639,039.44 : x - Step 2: Convert to fraction form
1,704,578.16/2,556,202.60 = 639,039.44/x - Step 3: Cross multiply
1,704,578.16x = 2,556,202.60 × 639,039.44 - Step 4: Simplify right side
1,704,578.16x = 1,633,514,278,030.54 - Step 5: Solve for x
x = 1,633,514,278,030.54/1,704,578.16 - Step 6: Final answer
x = 958,309.99
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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.