Finding the Fourth Proportional to 2,268,396.63, 3,131,544.31 and 1,537,213.77
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Solution
The fourth proportional to 2,268,396.63, 3,131,544.31 and 1,537,213.77 is: 2,122,139.03
Step by Step Solution
- Step 1: Write the proportion equation
2,268,396.63 : 3,131,544.31 = 1,537,213.77 : x - Step 2: Convert to fraction form
2,268,396.63/3,131,544.31 = 1,537,213.77/x - Step 3: Cross multiply
2,268,396.63x = 3,131,544.31 × 1,537,213.77 - Step 4: Simplify right side
2,268,396.63x = 4,813,853,030,854.11 - Step 5: Solve for x
x = 4,813,853,030,854.11/2,268,396.63 - Step 6: Final answer
x = 2,122,139.03
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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.