Finding the Fourth Proportional to 3,577,407.38, 4,936,373.79 and 2,418,375.44
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Solution
The fourth proportional to 3,577,407.38, 4,936,373.79 and 2,418,375.44 is: 3,337,054.99
Step by Step Solution
- Step 1: Write the proportion equation
3,577,407.38 : 4,936,373.79 = 2,418,375.44 : x - Step 2: Convert to fraction form
3,577,407.38/4,936,373.79 = 2,418,375.44/x - Step 3: Cross multiply
3,577,407.38x = 4,936,373.79 × 2,418,375.44 - Step 4: Simplify right side
3,577,407.38x = 11,938,005,136,395.72 - Step 5: Solve for x
x = 11,938,005,136,395.72/3,577,407.38 - Step 6: Final answer
x = 3,337,054.99
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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.