Finding the Fourth Proportional to 3,794,636.87, 5,236,722.99 and 2,163,014.58
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Solution
The fourth proportional to 3,794,636.87, 5,236,722.99 and 2,163,014.58 is: 2,985,030.87
Step by Step Solution
- Step 1: Write the proportion equation
3,794,636.87 : 5,236,722.99 = 2,163,014.58 : x - Step 2: Convert to fraction form
3,794,636.87/5,236,722.99 = 2,163,014.58/x - Step 3: Cross multiply
3,794,636.87x = 5,236,722.99 × 2,163,014.58 - Step 4: Simplify right side
3,794,636.87x = 11,327,108,167,976.12 - Step 5: Solve for x
x = 11,327,108,167,976.12/3,794,636.87 - Step 6: Final answer
x = 2,985,030.87
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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.