Finding the Fourth Proportional to 3,194,020.12, 4,407,814.62 and 1,743,776.68
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Solution
The fourth proportional to 3,194,020.12, 4,407,814.62 and 1,743,776.68 is: 2,406,448.32
Step by Step Solution
- Step 1: Write the proportion equation
3,194,020.12 : 4,407,814.62 = 1,743,776.68 : x - Step 2: Convert to fraction form
3,194,020.12/4,407,814.62 = 1,743,776.68/x - Step 3: Cross multiply
3,194,020.12x = 4,407,814.62 × 1,743,776.68 - Step 4: Simplify right side
3,194,020.12x = 7,686,244,344,119.06 - Step 5: Solve for x
x = 7,686,244,344,119.06/3,194,020.12 - Step 6: Final answer
x = 2,406,448.32
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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.