Finding the Fourth Proportional to 4,113,562.60, 6,170,343.90 and 3,485,261.80
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Solution
The fourth proportional to 4,113,562.60, 6,170,343.90 and 3,485,261.80 is: 5,227,892.70
Step by Step Solution
- Step 1: Write the proportion equation
4,113,562.60 : 6,170,343.90 = 3,485,261.80 : x - Step 2: Convert to fraction form
4,113,562.60/6,170,343.90 = 3,485,261.80/x - Step 3: Cross multiply
4,113,562.60x = 6,170,343.90 × 3,485,261.80 - Step 4: Simplify right side
4,113,562.60x = 21,505,263,887,533.02 - Step 5: Solve for x
x = 21,505,263,887,533.02/4,113,562.60 - Step 6: Final answer
x = 5,227,892.70
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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.