Finding the Fourth Proportional to 2,514,431.40, 3,469,915.35 and 1,368,520.08
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Solution
The fourth proportional to 2,514,431.40, 3,469,915.35 and 1,368,520.08 is: 1,888,557.72
Step by Step Solution
- Step 1: Write the proportion equation
2,514,431.40 : 3,469,915.35 = 1,368,520.08 : x - Step 2: Convert to fraction form
2,514,431.40/3,469,915.35 = 1,368,520.08/x - Step 3: Cross multiply
2,514,431.40x = 3,469,915.35 × 1,368,520.08 - Step 4: Simplify right side
2,514,431.40x = 4,748,648,832,375.23 - Step 5: Solve for x
x = 4,748,648,832,375.23/2,514,431.40 - Step 6: Final answer
x = 1,888,557.72
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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.