Finding the Fourth Proportional to 3,849,217.96, 5,775,109.49 and 1,290,685.84
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Solution
The fourth proportional to 3,849,217.96, 5,775,109.49 and 1,290,685.84 is: 1,936,458.81
Step by Step Solution
- Step 1: Write the proportion equation
3,849,217.96 : 5,775,109.49 = 1,290,685.84 : x - Step 2: Convert to fraction form
3,849,217.96/5,775,109.49 = 1,290,685.84/x - Step 3: Cross multiply
3,849,217.96x = 5,775,109.49 × 1,290,685.84 - Step 4: Simplify right side
3,849,217.96x = 7,453,852,036,739.19 - Step 5: Solve for x
x = 7,453,852,036,739.19/3,849,217.96 - Step 6: Final answer
x = 1,936,458.81
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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.