Finding the Fourth Proportional to 4,122,782.93, 5,689,592.46 and 2,490,874.98
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Solution
The fourth proportional to 4,122,782.93, 5,689,592.46 and 2,490,874.98 is: 3,437,499.32
Step by Step Solution
- Step 1: Write the proportion equation
4,122,782.93 : 5,689,592.46 = 2,490,874.98 : x - Step 2: Convert to fraction form
4,122,782.93/5,689,592.46 = 2,490,874.98/x - Step 3: Cross multiply
4,122,782.93x = 5,689,592.46 × 2,490,874.98 - Step 4: Simplify right side
4,122,782.93x = 14,172,063,505,010.65 - Step 5: Solve for x
x = 14,172,063,505,010.65/4,122,782.93 - Step 6: Final answer
x = 3,437,499.32
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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.