Finding the Fourth Proportional to 5,391,905.19, 8,085,609.23 and 2,194,861.11
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Solution
The fourth proportional to 5,391,905.19, 8,085,609.23 and 2,194,861.11 is: 3,291,376.35
Step by Step Solution
- Step 1: Write the proportion equation
5,391,905.19 : 8,085,609.23 = 2,194,861.11 : x - Step 2: Convert to fraction form
5,391,905.19/8,085,609.23 = 2,194,861.11/x - Step 3: Cross multiply
5,391,905.19x = 8,085,609.23 × 2,194,861.11 - Step 4: Simplify right side
5,391,905.19x = 17,746,789,238,609.74 - Step 5: Solve for x
x = 17,746,789,238,609.74/5,391,905.19 - Step 6: Final answer
x = 3,291,376.35
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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.