Finding the Fourth Proportional to 1,457,109.75, 2,010,811.46 and 853,497.75
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Solution
The fourth proportional to 1,457,109.75, 2,010,811.46 and 853,497.75 is: 1,177,826.90
Step by Step Solution
- Step 1: Write the proportion equation
1,457,109.75 : 2,010,811.46 = 853,497.75 : x - Step 2: Convert to fraction form
1,457,109.75/2,010,811.46 = 853,497.75/x - Step 3: Cross multiply
1,457,109.75x = 2,010,811.46 × 853,497.75 - Step 4: Simplify right side
1,457,109.75x = 1,716,223,052,516.73 - Step 5: Solve for x
x = 1,716,223,052,516.73/1,457,109.75 - Step 6: Final answer
x = 1,177,826.90
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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.