Finding the Fourth Proportional to 5,514,899.62, 8,272,571.97 and 1,921,030.06
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Solution
The fourth proportional to 5,514,899.62, 8,272,571.97 and 1,921,030.06 is: 2,881,622.60
Step by Step Solution
- Step 1: Write the proportion equation
5,514,899.62 : 8,272,571.97 = 1,921,030.06 : x - Step 2: Convert to fraction form
5,514,899.62/8,272,571.97 = 1,921,030.06/x - Step 3: Cross multiply
5,514,899.62x = 8,272,571.97 × 1,921,030.06 - Step 4: Simplify right side
5,514,899.62x = 15,891,859,386,520.56 - Step 5: Solve for x
x = 15,891,859,386,520.56/5,514,899.62 - Step 6: Final answer
x = 2,881,622.60
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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.