Finding the Fourth Proportional to 2,163,327.29, 2,986,310.88 and 1,347,933.84
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Solution
The fourth proportional to 2,163,327.29, 2,986,310.88 and 1,347,933.84 is: 1,860,721.45
Step by Step Solution
- Step 1: Write the proportion equation
2,163,327.29 : 2,986,310.88 = 1,347,933.84 : x - Step 2: Convert to fraction form
2,163,327.29/2,986,310.88 = 1,347,933.84/x - Step 3: Cross multiply
2,163,327.29x = 2,986,310.88 × 1,347,933.84 - Step 4: Simplify right side
2,163,327.29x = 4,025,349,491,912.18 - Step 5: Solve for x
x = 4,025,349,491,912.18/2,163,327.29 - Step 6: Final answer
x = 1,860,721.45
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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.