Finding the Fourth Proportional to 5,653,615.42, 8,481,369.02 and 4,439,143.05
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Solution
The fourth proportional to 5,653,615.42, 8,481,369.02 and 4,439,143.05 is: 6,659,457.28
Step by Step Solution
- Step 1: Write the proportion equation
5,653,615.42 : 8,481,369.02 = 4,439,143.05 : x - Step 2: Convert to fraction form
5,653,615.42/8,481,369.02 = 4,439,143.05/x - Step 3: Cross multiply
5,653,615.42x = 8,481,369.02 × 4,439,143.05 - Step 4: Simplify right side
5,653,615.42x = 37,650,010,350,716.17 - Step 5: Solve for x
x = 37,650,010,350,716.17/5,653,615.42 - Step 6: Final answer
x = 6,659,457.28
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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.