Finding the Fourth Proportional to 2,474,883.84, 3,415,433.58 and 1,387,175.52
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Solution
The fourth proportional to 2,474,883.84, 3,415,433.58 and 1,387,175.52 is: 1,914,354.84
Step by Step Solution
- Step 1: Write the proportion equation
2,474,883.84 : 3,415,433.58 = 1,387,175.52 : x - Step 2: Convert to fraction form
2,474,883.84/3,415,433.58 = 1,387,175.52/x - Step 3: Cross multiply
2,474,883.84x = 3,415,433.58 × 1,387,175.52 - Step 4: Simplify right side
2,474,883.84x = 4,737,805,852,361.96 - Step 5: Solve for x
x = 4,737,805,852,361.96/2,474,883.84 - Step 6: Final answer
x = 1,914,354.84
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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.