Finding the Fourth Proportional to 4,098,945.44, 6,148,405.20 and 1,107,129.44
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Solution
The fourth proportional to 4,098,945.44, 6,148,405.20 and 1,107,129.44 is: 1,660,690.66
Step by Step Solution
- Step 1: Write the proportion equation
4,098,945.44 : 6,148,405.20 = 1,107,129.44 : x - Step 2: Convert to fraction form
4,098,945.44/6,148,405.20 = 1,107,129.44/x - Step 3: Cross multiply
4,098,945.44x = 6,148,405.20 × 1,107,129.44 - Step 4: Simplify right side
4,098,945.44x = 6,807,080,405,969.09 - Step 5: Solve for x
x = 6,807,080,405,969.09/4,098,945.44 - Step 6: Final answer
x = 1,660,690.66
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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.