Finding the Fourth Proportional to 1,514,203.20, 2,273,273.10 and 1,215,021.60
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Solution
The fourth proportional to 1,514,203.20, 2,273,273.10 and 1,215,021.60 is: 1,824,111.80
Step by Step Solution
- Step 1: Write the proportion equation
1,514,203.20 : 2,273,273.10 = 1,215,021.60 : x - Step 2: Convert to fraction form
1,514,203.20/2,273,273.10 = 1,215,021.60/x - Step 3: Cross multiply
1,514,203.20x = 2,273,273.10 × 1,215,021.60 - Step 4: Simplify right side
1,514,203.20x = 2,762,075,919,198.96 - Step 5: Solve for x
x = 2,762,075,919,198.96/1,514,203.20 - Step 6: Final answer
x = 1,824,111.80
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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.