Finding the Fourth Proportional to 5,242,202.64, 7,861,123.44 and 1,829,760.12
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Solution
The fourth proportional to 5,242,202.64, 7,861,123.44 and 1,829,760.12 is: 2,743,879.08
Step by Step Solution
- Step 1: Write the proportion equation
5,242,202.64 : 7,861,123.44 = 1,829,760.12 : x - Step 2: Convert to fraction form
5,242,202.64/7,861,123.44 = 1,829,760.12/x - Step 3: Cross multiply
5,242,202.64x = 7,861,123.44 × 1,829,760.12 - Step 4: Simplify right side
5,242,202.64x = 14,383,970,168,909.21 - Step 5: Solve for x
x = 14,383,970,168,909.21/5,242,202.64 - Step 6: Final answer
x = 2,743,879.08
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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.