Finding the Fourth Proportional to 3,343,991.69, 4,614,735.63 and 1,816,109.75
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Solution
The fourth proportional to 3,343,991.69, 4,614,735.63 and 1,816,109.75 is: 2,506,246.17
Step by Step Solution
- Step 1: Write the proportion equation
3,343,991.69 : 4,614,735.63 = 1,816,109.75 : x - Step 2: Convert to fraction form
3,343,991.69/4,614,735.63 = 1,816,109.75/x - Step 3: Cross multiply
3,343,991.69x = 4,614,735.63 × 1,816,109.75 - Step 4: Simplify right side
3,343,991.69x = 8,380,866,348,241.72 - Step 5: Solve for x
x = 8,380,866,348,241.72/3,343,991.69 - Step 6: Final answer
x = 2,506,246.17
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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.