Finding the Fourth Proportional to 1,612,906.52, 2,225,793.84 and 887,738.72
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Solution
The fourth proportional to 1,612,906.52, 2,225,793.84 and 887,738.72 is: 1,225,069.99
Step by Step Solution
- Step 1: Write the proportion equation
1,612,906.52 : 2,225,793.84 = 887,738.72 : x - Step 2: Convert to fraction form
1,612,906.52/2,225,793.84 = 887,738.72/x - Step 3: Cross multiply
1,612,906.52x = 2,225,793.84 × 887,738.72 - Step 4: Simplify right side
1,612,906.52x = 1,975,923,374,505.48 - Step 5: Solve for x
x = 1,975,923,374,505.48/1,612,906.52 - Step 6: Final answer
x = 1,225,069.99
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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.