Finding the Fourth Proportional to 3,354,942.18, 5,032,272.70 and 1,080,416.23
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Solution
The fourth proportional to 3,354,942.18, 5,032,272.70 and 1,080,416.23 is: 1,620,579.08
Step by Step Solution
- Step 1: Write the proportion equation
3,354,942.18 : 5,032,272.70 = 1,080,416.23 : x - Step 2: Convert to fraction form
3,354,942.18/5,032,272.70 = 1,080,416.23/x - Step 3: Cross multiply
3,354,942.18x = 5,032,272.70 × 1,080,416.23 - Step 4: Simplify right side
3,354,942.18x = 5,436,949,098,865.92 - Step 5: Solve for x
x = 5,436,949,098,865.92/3,354,942.18 - Step 6: Final answer
x = 1,620,579.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.