Finding the Fourth Proportional to 3,762,777.20, 5,192,729.16 and 2,043,996.08
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Solution
The fourth proportional to 3,762,777.20, 5,192,729.16 and 2,043,996.08 is: 2,820,767.08
Step by Step Solution
- Step 1: Write the proportion equation
3,762,777.20 : 5,192,729.16 = 2,043,996.08 : x - Step 2: Convert to fraction form
3,762,777.20/5,192,729.16 = 2,043,996.08/x - Step 3: Cross multiply
3,762,777.20x = 5,192,729.16 × 2,043,996.08 - Step 4: Simplify right side
3,762,777.20x = 10,613,918,047,541.69 - Step 5: Solve for x
x = 10,613,918,047,541.69/3,762,777.20 - Step 6: Final answer
x = 2,820,767.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.