Finding the Fourth Proportional to 3,414,200.70, 5,121,301.05 and 2,994,296.70
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Solution
The fourth proportional to 3,414,200.70, 5,121,301.05 and 2,994,296.70 is: 4,491,445.05
Step by Step Solution
- Step 1: Write the proportion equation
3,414,200.70 : 5,121,301.05 = 2,994,296.70 : x - Step 2: Convert to fraction form
3,414,200.70/5,121,301.05 = 2,994,296.70/x - Step 3: Cross multiply
3,414,200.70x = 5,121,301.05 × 2,994,296.70 - Step 4: Simplify right side
3,414,200.70x = 15,334,694,833,721.54 - Step 5: Solve for x
x = 15,334,694,833,721.54/3,414,200.70 - Step 6: Final answer
x = 4,491,445.05
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Double scale
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Similar ratio
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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.