Finding the Fourth Proportional to 2,847,236.18, 3,929,185.56 and 1,558,076.22
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Solution
The fourth proportional to 2,847,236.18, 3,929,185.56 and 1,558,076.22 is: 2,150,144.99
Step by Step Solution
- Step 1: Write the proportion equation
2,847,236.18 : 3,929,185.56 = 1,558,076.22 : x - Step 2: Convert to fraction form
2,847,236.18/3,929,185.56 = 1,558,076.22/x - Step 3: Cross multiply
2,847,236.18x = 3,929,185.56 × 1,558,076.22 - Step 4: Simplify right side
2,847,236.18x = 6,121,970,590,846.17 - Step 5: Solve for x
x = 6,121,970,590,846.17/2,847,236.18 - Step 6: Final answer
x = 2,150,144.99
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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.