Finding the Fourth Proportional to 3,387,414.36, 4,674,611.88 and 1,838,706.78
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Solution
The fourth proportional to 3,387,414.36, 4,674,611.88 and 1,838,706.78 is: 2,537,404.53
Step by Step Solution
- Step 1: Write the proportion equation
3,387,414.36 : 4,674,611.88 = 1,838,706.78 : x - Step 2: Convert to fraction form
3,387,414.36/4,674,611.88 = 1,838,706.78/x - Step 3: Cross multiply
3,387,414.36x = 4,674,611.88 × 1,838,706.78 - Step 4: Simplify right side
3,387,414.36x = 8,595,240,557,624.55 - Step 5: Solve for x
x = 8,595,240,557,624.55/3,387,414.36 - Step 6: Final answer
x = 2,537,404.53
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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.