Finding the Fourth Proportional to 2,638,927.28, 3,641,704.44 and 1,431,677.36
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Solution
The fourth proportional to 2,638,927.28, 3,641,704.44 and 1,431,677.36 is: 1,975,706.51
Step by Step Solution
- Step 1: Write the proportion equation
2,638,927.28 : 3,641,704.44 = 1,431,677.36 : x - Step 2: Convert to fraction form
2,638,927.28/3,641,704.44 = 1,431,677.36/x - Step 3: Cross multiply
2,638,927.28x = 3,641,704.44 × 1,431,677.36 - Step 4: Simplify right side
2,638,927.28x = 5,213,745,798,559.48 - Step 5: Solve for x
x = 5,213,745,798,559.48/2,638,927.28 - Step 6: Final answer
x = 1,975,706.51
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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.