Finding the Fourth Proportional to 2,229,109.76, 3,076,207.08 and 1,262,213.84
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Solution
The fourth proportional to 2,229,109.76, 3,076,207.08 and 1,262,213.84 is: 1,741,875.26
Step by Step Solution
- Step 1: Write the proportion equation
2,229,109.76 : 3,076,207.08 = 1,262,213.84 : x - Step 2: Convert to fraction form
2,229,109.76/3,076,207.08 = 1,262,213.84/x - Step 3: Cross multiply
2,229,109.76x = 3,076,207.08 × 1,262,213.84 - Step 4: Simplify right side
2,229,109.76x = 3,882,831,151,081.99 - Step 5: Solve for x
x = 3,882,831,151,081.99/2,229,109.76 - Step 6: Final answer
x = 1,741,875.26
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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.