Finding the Fourth Proportional to 3,554,380.63, 4,904,320.53 and 2,103,349.87
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Solution
The fourth proportional to 3,554,380.63, 4,904,320.53 and 2,103,349.87 is: 2,902,193.95
Step by Step Solution
- Step 1: Write the proportion equation
3,554,380.63 : 4,904,320.53 = 2,103,349.87 : x - Step 2: Convert to fraction form
3,554,380.63/4,904,320.53 = 2,103,349.87/x - Step 3: Cross multiply
3,554,380.63x = 4,904,320.53 × 2,103,349.87 - Step 4: Simplify right side
3,554,380.63x = 10,315,501,949,213.83 - Step 5: Solve for x
x = 10,315,501,949,213.83/3,554,380.63 - Step 6: Final answer
x = 2,902,193.95
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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.