Finding the Fourth Proportional to 3,609,998.70, 5,414,998.05 and 1,481,610.30
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Solution
The fourth proportional to 3,609,998.70, 5,414,998.05 and 1,481,610.30 is: 2,222,415.45
Step by Step Solution
- Step 1: Write the proportion equation
3,609,998.70 : 5,414,998.05 = 1,481,610.30 : x - Step 2: Convert to fraction form
3,609,998.70/5,414,998.05 = 1,481,610.30/x - Step 3: Cross multiply
3,609,998.70x = 5,414,998.05 × 1,481,610.30 - Step 4: Simplify right side
3,609,998.70x = 8,022,916,885,359.92 - Step 5: Solve for x
x = 8,022,916,885,359.92/3,609,998.70 - Step 6: Final answer
x = 2,222,415.45
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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.