Finding the Fourth Proportional to 6,436,614.40, 9,660,364.80 and 2,652,812.80
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Solution
The fourth proportional to 6,436,614.40, 9,660,364.80 and 2,652,812.80 is: 3,981,462.58
Step by Step Solution
- Step 1: Write the proportion equation
6,436,614.40 : 9,660,364.80 = 2,652,812.80 : x - Step 2: Convert to fraction form
6,436,614.40/9,660,364.80 = 2,652,812.80/x - Step 3: Cross multiply
6,436,614.40x = 9,660,364.80 × 2,652,812.80 - Step 4: Simplify right side
6,436,614.40x = 25,627,139,394,109.44 - Step 5: Solve for x
x = 25,627,139,394,109.44/6,436,614.40 - Step 6: Final answer
x = 3,981,462.58
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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.