Finding the Fourth Proportional to 2,834,743.80, 4,252,115.70 and 2,043,487.20
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Solution
The fourth proportional to 2,834,743.80, 4,252,115.70 and 2,043,487.20 is: 3,065,230.80
Step by Step Solution
- Step 1: Write the proportion equation
2,834,743.80 : 4,252,115.70 = 2,043,487.20 : x - Step 2: Convert to fraction form
2,834,743.80/4,252,115.70 = 2,043,487.20/x - Step 3: Cross multiply
2,834,743.80x = 4,252,115.70 × 2,043,487.20 - Step 4: Simplify right side
2,834,743.80x = 8,689,144,005,869.04 - Step 5: Solve for x
x = 8,689,144,005,869.04/2,834,743.80 - Step 6: Final answer
x = 3,065,230.80
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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.