Finding the Fourth Proportional to 4,520,138.26, 6,234,181.55 and 2,972,988.24
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Solution
The fourth proportional to 4,520,138.26, 6,234,181.55 and 2,972,988.24 is: 4,100,349.89
Step by Step Solution
- Step 1: Write the proportion equation
4,520,138.26 : 6,234,181.55 = 2,972,988.24 : x - Step 2: Convert to fraction form
4,520,138.26/6,234,181.55 = 2,972,988.24/x - Step 3: Cross multiply
4,520,138.26x = 6,234,181.55 × 2,972,988.24 - Step 4: Simplify right side
4,520,138.26x = 18,534,148,434,174.97 - Step 5: Solve for x
x = 18,534,148,434,174.97/4,520,138.26 - Step 6: Final answer
x = 4,100,349.89
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1.5x scale
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.