Finding the Fourth Proportional to 3,150,393.40, 4,722,479.70 and 1,551,647.80
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Solution
The fourth proportional to 3,150,393.40, 4,722,479.70 and 1,551,647.80 is: 2,325,939.75
Step by Step Solution
- Step 1: Write the proportion equation
3,150,393.40 : 4,722,479.70 = 1,551,647.80 : x - Step 2: Convert to fraction form
3,150,393.40/4,722,479.70 = 1,551,647.80/x - Step 3: Cross multiply
3,150,393.40x = 4,722,479.70 × 1,551,647.80 - Step 4: Simplify right side
3,150,393.40x = 7,327,625,237,049.66 - Step 5: Solve for x
x = 7,327,625,237,049.66/3,150,393.40 - Step 6: Final answer
x = 2,325,939.75
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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.