Finding the Fourth Proportional to 4,156,952.20, 6,235,622.70 and 1,317,286.60
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Solution
The fourth proportional to 4,156,952.20, 6,235,622.70 and 1,317,286.60 is: 1,975,991.50
Step by Step Solution
- Step 1: Write the proportion equation
4,156,952.20 : 6,235,622.70 = 1,317,286.60 : x - Step 2: Convert to fraction form
4,156,952.20/6,235,622.70 = 1,317,286.60/x - Step 3: Cross multiply
4,156,952.20x = 6,235,622.70 × 1,317,286.60 - Step 4: Simplify right side
4,156,952.20x = 8,214,102,225,365.82 - Step 5: Solve for x
x = 8,214,102,225,365.82/4,156,952.20 - Step 6: Final answer
x = 1,975,991.50
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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.