Finding the Fourth Proportional to 2,512,915.08, 3,469,107.06 and 1,938,666.12
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Solution
The fourth proportional to 2,512,915.08, 3,469,107.06 and 1,938,666.12 is: 2,676,350.02
Step by Step Solution
- Step 1: Write the proportion equation
2,512,915.08 : 3,469,107.06 = 1,938,666.12 : x - Step 2: Convert to fraction form
2,512,915.08/3,469,107.06 = 1,938,666.12/x - Step 3: Cross multiply
2,512,915.08x = 3,469,107.06 × 1,938,666.12 - Step 4: Simplify right side
2,512,915.08x = 6,725,440,323,874.81 - Step 5: Solve for x
x = 6,725,440,323,874.81/2,512,915.08 - Step 6: Final answer
x = 2,676,350.02
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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.