Finding the Fourth Proportional to 3,762,451.31, 5,192,197.67 and 2,043,600.53
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Solution
The fourth proportional to 3,762,451.31, 5,192,197.67 and 2,043,600.53 is: 2,820,176.80
Step by Step Solution
- Step 1: Write the proportion equation
3,762,451.31 : 5,192,197.67 = 2,043,600.53 : x - Step 2: Convert to fraction form
3,762,451.31/5,192,197.67 = 2,043,600.53/x - Step 3: Cross multiply
3,762,451.31x = 5,192,197.67 × 2,043,600.53 - Step 4: Simplify right side
3,762,451.31x = 10,610,777,889,424.78 - Step 5: Solve for x
x = 10,610,777,889,424.78/3,762,451.31 - Step 6: Final answer
x = 2,820,176.80
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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.