Finding the Fourth Proportional to 1,624,410.29, 2,240,982.36 and 979,472.19
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Solution
The fourth proportional to 1,624,410.29, 2,240,982.36 and 979,472.19 is: 1,351,247.23
Step by Step Solution
- Step 1: Write the proportion equation
1,624,410.29 : 2,240,982.36 = 979,472.19 : x - Step 2: Convert to fraction form
1,624,410.29/2,240,982.36 = 979,472.19/x - Step 3: Cross multiply
1,624,410.29x = 2,240,982.36 × 979,472.19 - Step 4: Simplify right side
1,624,410.29x = 2,194,979,911,205.05 - Step 5: Solve for x
x = 2,194,979,911,205.05/1,624,410.29 - Step 6: Final answer
x = 1,351,247.23
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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.