Finding the Fourth Proportional to 2,460,460.20, 3,690,690.30 and 2,365,981.80
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Solution
The fourth proportional to 2,460,460.20, 3,690,690.30 and 2,365,981.80 is: 3,548,972.70
Step by Step Solution
- Step 1: Write the proportion equation
2,460,460.20 : 3,690,690.30 = 2,365,981.80 : x - Step 2: Convert to fraction form
2,460,460.20/3,690,690.30 = 2,365,981.80/x - Step 3: Cross multiply
2,460,460.20x = 3,690,690.30 × 2,365,981.80 - Step 4: Simplify right side
2,460,460.20x = 8,732,106,079,236.54 - Step 5: Solve for x
x = 8,732,106,079,236.54/2,460,460.20 - Step 6: Final answer
x = 3,548,972.70
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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.