Finding the Fourth Proportional to 3,236,309.40, 4,859,712.90 and 2,176,051.80
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Solution
The fourth proportional to 3,236,309.40, 4,859,712.90 and 2,176,051.80 is: 3,267,606.92
Step by Step Solution
- Step 1: Write the proportion equation
3,236,309.40 : 4,859,712.90 = 2,176,051.80 : x - Step 2: Convert to fraction form
3,236,309.40/4,859,712.90 = 2,176,051.80/x - Step 3: Cross multiply
3,236,309.40x = 4,859,712.90 × 2,176,051.80 - Step 4: Simplify right side
3,236,309.40x = 10,574,987,003,528.22 - Step 5: Solve for x
x = 10,574,987,003,528.22/3,236,309.40 - Step 6: Final answer
x = 3,267,606.92
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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.