Finding the Fourth Proportional to 4,161,854.40, 6,243,197.40 and 1,129,268.40
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Solution
The fourth proportional to 4,161,854.40, 6,243,197.40 and 1,129,268.40 is: 1,694,015.42
Step by Step Solution
- Step 1: Write the proportion equation
4,161,854.40 : 6,243,197.40 = 1,129,268.40 : x - Step 2: Convert to fraction form
4,161,854.40/6,243,197.40 = 1,129,268.40/x - Step 3: Cross multiply
4,161,854.40x = 6,243,197.40 × 1,129,268.40 - Step 4: Simplify right side
4,161,854.40x = 7,050,245,538,782.16 - Step 5: Solve for x
x = 7,050,245,538,782.16/4,161,854.40 - Step 6: Final answer
x = 1,694,015.42
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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.