Finding the Fourth Proportional to 2,992,662.75, 4,129,874.61 and 1,634,538.99
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Solution
The fourth proportional to 2,992,662.75, 4,129,874.61 and 1,634,538.99 is: 2,255,663.81
Step by Step Solution
- Step 1: Write the proportion equation
2,992,662.75 : 4,129,874.61 = 1,634,538.99 : x - Step 2: Convert to fraction form
2,992,662.75/4,129,874.61 = 1,634,538.99/x - Step 3: Cross multiply
2,992,662.75x = 4,129,874.61 × 1,634,538.99 - Step 4: Simplify right side
2,992,662.75x = 6,750,441,073,856.04 - Step 5: Solve for x
x = 6,750,441,073,856.04/2,992,662.75 - Step 6: Final answer
x = 2,255,663.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.