Finding the Fourth Proportional to 6,288,450.80, 9,410,903.40 and 3,765,916.40
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Solution
The fourth proportional to 6,288,450.80, 9,410,903.40 and 3,765,916.40 is: 5,635,835.69
Step by Step Solution
- Step 1: Write the proportion equation
6,288,450.80 : 9,410,903.40 = 3,765,916.40 : x - Step 2: Convert to fraction form
6,288,450.80/9,410,903.40 = 3,765,916.40/x - Step 3: Cross multiply
6,288,450.80x = 9,410,903.40 × 3,765,916.40 - Step 4: Simplify right side
6,288,450.80x = 35,440,675,452,875.76 - Step 5: Solve for x
x = 35,440,675,452,875.76/6,288,450.80 - Step 6: Final answer
x = 5,635,835.69
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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.