Finding the Fourth Proportional to 6,980,456.45, 9,634,409.66 and 4,529,626.49
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Solution
The fourth proportional to 6,980,456.45, 9,634,409.66 and 4,529,626.49 is: 6,251,779.88
Step by Step Solution
- Step 1: Write the proportion equation
6,980,456.45 : 9,634,409.66 = 4,529,626.49 : x - Step 2: Convert to fraction form
6,980,456.45/9,634,409.66 = 4,529,626.49/x - Step 3: Cross multiply
6,980,456.45x = 9,634,409.66 × 4,529,626.49 - Step 4: Simplify right side
6,980,456.45x = 43,640,277,188,799.76 - Step 5: Solve for x
x = 43,640,277,188,799.76/6,980,456.45 - Step 6: Final answer
x = 6,251,779.88
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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.