Finding the Fourth Proportional to 2,077,338.96, 2,866,716.80 and 1,206,387.80
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Solution
The fourth proportional to 2,077,338.96, 2,866,716.80 and 1,206,387.80 is: 1,664,808.80
Step by Step Solution
- Step 1: Write the proportion equation
2,077,338.96 : 2,866,716.80 = 1,206,387.80 : x - Step 2: Convert to fraction form
2,077,338.96/2,866,716.80 = 1,206,387.80/x - Step 3: Cross multiply
2,077,338.96x = 2,866,716.80 × 1,206,387.80 - Step 4: Simplify right side
2,077,338.96x = 3,458,372,173,575.04 - Step 5: Solve for x
x = 3,458,372,173,575.04/2,077,338.96 - Step 6: Final answer
x = 1,664,808.80
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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.