Finding the Fourth Proportional to 3,269,802.12, 4,509,770.66 and 2,124,251.56
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Solution
The fourth proportional to 3,269,802.12, 4,509,770.66 and 2,124,251.56 is: 2,929,806.46
Step by Step Solution
- Step 1: Write the proportion equation
3,269,802.12 : 4,509,770.66 = 2,124,251.56 : x - Step 2: Convert to fraction form
3,269,802.12/4,509,770.66 = 2,124,251.56/x - Step 3: Cross multiply
3,269,802.12x = 4,509,770.66 × 2,124,251.56 - Step 4: Simplify right side
3,269,802.12x = 9,579,887,359,747.23 - Step 5: Solve for x
x = 9,579,887,359,747.23/3,269,802.12 - Step 6: Final answer
x = 2,929,806.46
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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.