Finding the Fourth Proportional to 3,512,182.20, 5,267,152.14 and 1,115,466.24
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Solution
The fourth proportional to 3,512,182.20, 5,267,152.14 and 1,115,466.24 is: 1,672,843.28
Step by Step Solution
- Step 1: Write the proportion equation
3,512,182.20 : 5,267,152.14 = 1,115,466.24 : x - Step 2: Convert to fraction form
3,512,182.20/5,267,152.14 = 1,115,466.24/x - Step 3: Cross multiply
3,512,182.20x = 5,267,152.14 × 1,115,466.24 - Step 4: Simplify right side
3,512,182.20x = 5,875,330,393,113.75 - Step 5: Solve for x
x = 5,875,330,393,113.75/3,512,182.20 - Step 6: Final answer
x = 1,672,843.28
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1.5x scale
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.