Finding the Fourth Proportional to 1,745,761.68, 2,409,063.12 and 981,769.68
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Solution
The fourth proportional to 1,745,761.68, 2,409,063.12 and 981,769.68 is: 1,354,792.67
Step by Step Solution
- Step 1: Write the proportion equation
1,745,761.68 : 2,409,063.12 = 981,769.68 : x - Step 2: Convert to fraction form
1,745,761.68/2,409,063.12 = 981,769.68/x - Step 3: Cross multiply
1,745,761.68x = 2,409,063.12 × 981,769.68 - Step 4: Simplify right side
1,745,761.68x = 2,365,145,128,422.20 - Step 5: Solve for x
x = 2,365,145,128,422.20/1,745,761.68 - Step 6: Final answer
x = 1,354,792.67
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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.