Finding the Fourth Proportional to 5,649,845.40, 8,474,768.10 and 3,750,427.80
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Solution
The fourth proportional to 5,649,845.40, 8,474,768.10 and 3,750,427.80 is: 5,625,641.70
Step by Step Solution
- Step 1: Write the proportion equation
5,649,845.40 : 8,474,768.10 = 3,750,427.80 : x - Step 2: Convert to fraction form
5,649,845.40/8,474,768.10 = 3,750,427.80/x - Step 3: Cross multiply
5,649,845.40x = 8,474,768.10 × 3,750,427.80 - Step 4: Simplify right side
5,649,845.40x = 31,784,005,880,793.18 - Step 5: Solve for x
x = 31,784,005,880,793.18/5,649,845.40 - Step 6: Final answer
x = 5,625,641.70
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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.