Finding the Fourth Proportional to 2,236,777.44, 3,086,840.25 and 1,269,997.80
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Solution
The fourth proportional to 2,236,777.44, 3,086,840.25 and 1,269,997.80 is: 1,752,646.58
Step by Step Solution
- Step 1: Write the proportion equation
2,236,777.44 : 3,086,840.25 = 1,269,997.80 : x - Step 2: Convert to fraction form
2,236,777.44/3,086,840.25 = 1,269,997.80/x - Step 3: Cross multiply
2,236,777.44x = 3,086,840.25 × 1,269,997.80 - Step 4: Simplify right side
2,236,777.44x = 3,920,280,326,451.45 - Step 5: Solve for x
x = 3,920,280,326,451.45/2,236,777.44 - Step 6: Final answer
x = 1,752,646.58
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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.