Finding the Fourth Proportional to 2,125,639.66, 3,190,514.68 and 2,010,424.92
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Solution
The fourth proportional to 2,125,639.66, 3,190,514.68 and 2,010,424.92 is: 3,017,581.17
Step by Step Solution
- Step 1: Write the proportion equation
2,125,639.66 : 3,190,514.68 = 2,010,424.92 : x - Step 2: Convert to fraction form
2,125,639.66/3,190,514.68 = 2,010,424.92/x - Step 3: Cross multiply
2,125,639.66x = 3,190,514.68 × 2,010,424.92 - Step 4: Simplify right side
2,125,639.66x = 6,414,290,207,076.88 - Step 5: Solve for x
x = 6,414,290,207,076.88/2,125,639.66 - Step 6: Final answer
x = 3,017,581.17
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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.