Finding the Fourth Proportional to 4,064,678.64, 5,609,264.49 and 2,229,149.88
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Solution
The fourth proportional to 4,064,678.64, 5,609,264.49 and 2,229,149.88 is: 3,076,231.20
Step by Step Solution
- Step 1: Write the proportion equation
4,064,678.64 : 5,609,264.49 = 2,229,149.88 : x - Step 2: Convert to fraction form
4,064,678.64/5,609,264.49 = 2,229,149.88/x - Step 3: Cross multiply
4,064,678.64x = 5,609,264.49 × 2,229,149.88 - Step 4: Simplify right side
4,064,678.64x = 12,503,891,264,771.76 - Step 5: Solve for x
x = 12,503,891,264,771.76/4,064,678.64 - Step 6: Final answer
x = 3,076,231.20
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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.