Finding the Fourth Proportional to 3,951,668.88, 5,453,268.84 and 2,140,828.56
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Solution
The fourth proportional to 3,951,668.88, 5,453,268.84 and 2,140,828.56 is: 2,954,324.88
Step by Step Solution
- Step 1: Write the proportion equation
3,951,668.88 : 5,453,268.84 = 2,140,828.56 : x - Step 2: Convert to fraction form
3,951,668.88/5,453,268.84 = 2,140,828.56/x - Step 3: Cross multiply
3,951,668.88x = 5,453,268.84 × 2,140,828.56 - Step 4: Simplify right side
3,951,668.88x = 11,674,513,678,030.07 - Step 5: Solve for x
x = 11,674,513,678,030.07/3,951,668.88 - Step 6: Final answer
x = 2,954,324.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.