Finding the Fourth Proportional to 1,745,768.68, 2,409,072.78 and 981,776.68
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Solution
The fourth proportional to 1,745,768.68, 2,409,072.78 and 981,776.68 is: 1,354,802.33
Step by Step Solution
- Step 1: Write the proportion equation
1,745,768.68 : 2,409,072.78 = 981,776.68 : x - Step 2: Convert to fraction form
1,745,768.68/2,409,072.78 = 981,776.68/x - Step 3: Cross multiply
1,745,768.68x = 2,409,072.78 × 981,776.68 - Step 4: Simplify right side
1,745,768.68x = 2,365,171,475,826.77 - Step 5: Solve for x
x = 2,365,171,475,826.77/1,745,768.68 - Step 6: Final answer
x = 1,354,802.33
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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.