Finding the Fourth Proportional to 3,901,933.98, 5,855,043.11 and 1,983,010.70
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Solution
The fourth proportional to 3,901,933.98, 5,855,043.11 and 1,983,010.70 is: 2,975,604.70
Step by Step Solution
- Step 1: Write the proportion equation
3,901,933.98 : 5,855,043.11 = 1,983,010.70 : x - Step 2: Convert to fraction form
3,901,933.98/5,855,043.11 = 1,983,010.70/x - Step 3: Cross multiply
3,901,933.98x = 5,855,043.11 × 1,983,010.70 - Step 4: Simplify right side
3,901,933.98x = 11,610,613,096,901.01 - Step 5: Solve for x
x = 11,610,613,096,901.01/3,901,933.98 - Step 6: Final answer
x = 2,975,604.70
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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.