Finding the Fourth Proportional to 1,623,883.42, 2,240,709.49 and 935,420.81
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Solution
The fourth proportional to 1,623,883.42, 2,240,709.49 and 935,420.81 is: 1,290,736.92
Step by Step Solution
- Step 1: Write the proportion equation
1,623,883.42 : 2,240,709.49 = 935,420.81 : x - Step 2: Convert to fraction form
1,623,883.42/2,240,709.49 = 935,420.81/x - Step 3: Cross multiply
1,623,883.42x = 2,240,709.49 × 935,420.81 - Step 4: Simplify right side
1,623,883.42x = 2,096,006,286,110.49 - Step 5: Solve for x
x = 2,096,006,286,110.49/1,623,883.42 - Step 6: Final answer
x = 1,290,736.92
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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.