Finding the Fourth Proportional to 5,136,014.30, 7,704,021.45 and 2,481,806.30
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Solution
The fourth proportional to 5,136,014.30, 7,704,021.45 and 2,481,806.30 is: 3,722,709.45
Step by Step Solution
- Step 1: Write the proportion equation
5,136,014.30 : 7,704,021.45 = 2,481,806.30 : x - Step 2: Convert to fraction form
5,136,014.30/7,704,021.45 = 2,481,806.30/x - Step 3: Cross multiply
5,136,014.30x = 7,704,021.45 × 2,481,806.30 - Step 4: Simplify right side
5,136,014.30x = 19,119,888,969,945.13 - Step 5: Solve for x
x = 19,119,888,969,945.13/5,136,014.30 - Step 6: Final answer
x = 3,722,709.45
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Similar ratio
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1.5x scale
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.