Finding the Fourth Proportional to 1,294,472.36, 1,941,706.87 and 347,843.09
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Solution
The fourth proportional to 1,294,472.36, 1,941,706.87 and 347,843.09 is: 521,764.19
Step by Step Solution
- Step 1: Write the proportion equation
1,294,472.36 : 1,941,706.87 = 347,843.09 : x - Step 2: Convert to fraction form
1,294,472.36/1,941,706.87 = 347,843.09/x - Step 3: Cross multiply
1,294,472.36x = 1,941,706.87 × 347,843.09 - Step 4: Simplify right side
1,294,472.36x = 675,409,317,535.03 - Step 5: Solve for x
x = 675,409,317,535.03/1,294,472.36 - Step 6: Final answer
x = 521,764.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.