Finding the Fourth Proportional to 3,203,364.70, 4,419,958.62 and 1,897,027.21
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Solution
The fourth proportional to 3,203,364.70, 4,419,958.62 and 1,897,027.21 is: 2,617,492.09
Step by Step Solution
- Step 1: Write the proportion equation
3,203,364.70 : 4,419,958.62 = 1,897,027.21 : x - Step 2: Convert to fraction form
3,203,364.70/4,419,958.62 = 1,897,027.21/x - Step 3: Cross multiply
3,203,364.70x = 4,419,958.62 × 1,897,027.21 - Step 4: Simplify right side
3,203,364.70x = 8,384,781,769,214.05 - Step 5: Solve for x
x = 8,384,781,769,214.05/3,203,364.70 - Step 6: Final answer
x = 2,617,492.09
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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.