Finding the Fourth Proportional to 3,723,120.98, 5,579,514.68 and 1,696,411.88
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Solution
The fourth proportional to 3,723,120.98, 5,579,514.68 and 1,696,411.88 is: 2,542,263.61
Step by Step Solution
- Step 1: Write the proportion equation
3,723,120.98 : 5,579,514.68 = 1,696,411.88 : x - Step 2: Convert to fraction form
3,723,120.98/5,579,514.68 = 1,696,411.88/x - Step 3: Cross multiply
3,723,120.98x = 5,579,514.68 × 1,696,411.88 - Step 4: Simplify right side
3,723,120.98x = 9,465,154,987,786.40 - Step 5: Solve for x
x = 9,465,154,987,786.40/3,723,120.98 - Step 6: Final answer
x = 2,542,263.61
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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.