Finding the Fourth Proportional to 2,398,485.75, 3,309,918.99 and 1,310,757.84
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Solution
The fourth proportional to 2,398,485.75, 3,309,918.99 and 1,310,757.84 is: 1,808,850.55
Step by Step Solution
- Step 1: Write the proportion equation
2,398,485.75 : 3,309,918.99 = 1,310,757.84 : x - Step 2: Convert to fraction form
2,398,485.75/3,309,918.99 = 1,310,757.84/x - Step 3: Cross multiply
2,398,485.75x = 3,309,918.99 × 1,310,757.84 - Step 4: Simplify right side
2,398,485.75x = 4,338,502,265,907.38 - Step 5: Solve for x
x = 4,338,502,265,907.38/2,398,485.75 - Step 6: Final answer
x = 1,808,850.55
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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.