Finding the Fourth Proportional to 2,474,618.75, 3,415,107.71 and 1,387,239.62
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Solution
The fourth proportional to 2,474,618.75, 3,415,107.71 and 1,387,239.62 is: 1,914,465.70
Step by Step Solution
- Step 1: Write the proportion equation
2,474,618.75 : 3,415,107.71 = 1,387,239.62 : x - Step 2: Convert to fraction form
2,474,618.75/3,415,107.71 = 1,387,239.62/x - Step 3: Cross multiply
2,474,618.75x = 3,415,107.71 × 1,387,239.62 - Step 4: Simplify right side
2,474,618.75x = 4,737,572,708,272.03 - Step 5: Solve for x
x = 4,737,572,708,272.03/2,474,618.75 - Step 6: Final answer
x = 1,914,465.70
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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.