Finding the Fourth Proportional to 5,656,991.40, 8,485,487.10 and 2,062,875.60
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Solution
The fourth proportional to 5,656,991.40, 8,485,487.10 and 2,062,875.60 is: 3,094,313.40
Step by Step Solution
- Step 1: Write the proportion equation
5,656,991.40 : 8,485,487.10 = 2,062,875.60 : x - Step 2: Convert to fraction form
5,656,991.40/8,485,487.10 = 2,062,875.60/x - Step 3: Cross multiply
5,656,991.40x = 8,485,487.10 × 2,062,875.60 - Step 4: Simplify right side
5,656,991.40x = 17,504,504,292,704.76 - Step 5: Solve for x
x = 17,504,504,292,704.76/5,656,991.40 - Step 6: Final answer
x = 3,094,313.40
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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.