Finding the Fourth Proportional to 2,138,297.96, 2,950,850.94 and 1,278,858.08
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Solution
The fourth proportional to 2,138,297.96, 2,950,850.94 and 1,278,858.08 is: 1,764,824.00
Step by Step Solution
- Step 1: Write the proportion equation
2,138,297.96 : 2,950,850.94 = 1,278,858.08 : x - Step 2: Convert to fraction form
2,138,297.96/2,950,850.94 = 1,278,858.08/x - Step 3: Cross multiply
2,138,297.96x = 2,950,850.94 × 1,278,858.08 - Step 4: Simplify right side
2,138,297.96x = 3,773,719,567,494.60 - Step 5: Solve for x
x = 3,773,719,567,494.60/2,138,297.96 - Step 6: Final answer
x = 1,764,824.00
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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.