Finding the Fourth Proportional to 4,085,915.91, 5,638,819.93 and 2,250,373.79
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Solution
The fourth proportional to 4,085,915.91, 5,638,819.93 and 2,250,373.79 is: 3,105,656.82
Step by Step Solution
- Step 1: Write the proportion equation
4,085,915.91 : 5,638,819.93 = 2,250,373.79 : x - Step 2: Convert to fraction form
4,085,915.91/5,638,819.93 = 2,250,373.79/x - Step 3: Cross multiply
4,085,915.91x = 5,638,819.93 × 2,250,373.79 - Step 4: Simplify right side
4,085,915.91x = 12,689,452,585,472.75 - Step 5: Solve for x
x = 12,689,452,585,472.75/4,085,915.91 - Step 6: Final answer
x = 3,105,656.82
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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.