Finding the Fourth Proportional to 4,485,707.12, 6,726,196.16 and 1,958,409.92
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Solution
The fourth proportional to 4,485,707.12, 6,726,196.16 and 1,958,409.92 is: 2,936,582.56
Step by Step Solution
- Step 1: Write the proportion equation
4,485,707.12 : 6,726,196.16 = 1,958,409.92 : x - Step 2: Convert to fraction form
4,485,707.12/6,726,196.16 = 1,958,409.92/x - Step 3: Cross multiply
4,485,707.12x = 6,726,196.16 × 1,958,409.92 - Step 4: Simplify right side
4,485,707.12x = 13,172,649,283,609.91 - Step 5: Solve for x
x = 13,172,649,283,609.91/4,485,707.12 - Step 6: Final answer
x = 2,936,582.56
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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.