Finding the Fourth Proportional to 6,496,991.80, 9,745,487.70 and 4,481,452.60
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Solution
The fourth proportional to 6,496,991.80, 9,745,487.70 and 4,481,452.60 is: 6,722,178.90
Step by Step Solution
- Step 1: Write the proportion equation
6,496,991.80 : 9,745,487.70 = 4,481,452.60 : x - Step 2: Convert to fraction form
6,496,991.80/9,745,487.70 = 4,481,452.60/x - Step 3: Cross multiply
6,496,991.80x = 9,745,487.70 × 4,481,452.60 - Step 4: Simplify right side
6,496,991.80x = 43,673,941,191,433.02 - Step 5: Solve for x
x = 43,673,941,191,433.02/6,496,991.80 - Step 6: Final answer
x = 6,722,178.90
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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.