Finding the Fourth Proportional to 6,435,340.80, 9,652,863.60 and 3,239,608.80
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Solution
The fourth proportional to 6,435,340.80, 9,652,863.60 and 3,239,608.80 is: 4,859,338.90
Step by Step Solution
- Step 1: Write the proportion equation
6,435,340.80 : 9,652,863.60 = 3,239,608.80 : x - Step 2: Convert to fraction form
6,435,340.80/9,652,863.60 = 3,239,608.80/x - Step 3: Cross multiply
6,435,340.80x = 9,652,863.60 × 3,239,608.80 - Step 4: Simplify right side
6,435,340.80x = 31,271,501,863,759.68 - Step 5: Solve for x
x = 31,271,501,863,759.68/6,435,340.80 - Step 6: Final answer
x = 4,859,338.90
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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.