Finding the Fourth Proportional to 2,638,918.28, 3,641,692.02 and 1,431,668.36
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Solution
The fourth proportional to 2,638,918.28, 3,641,692.02 and 1,431,668.36 is: 1,975,694.09
Step by Step Solution
- Step 1: Write the proportion equation
2,638,918.28 : 3,641,692.02 = 1,431,668.36 : x - Step 2: Convert to fraction form
2,638,918.28/3,641,692.02 = 1,431,668.36/x - Step 3: Cross multiply
2,638,918.28x = 3,641,692.02 × 1,431,668.36 - Step 4: Simplify right side
2,638,918.28x = 5,213,695,241,898.49 - Step 5: Solve for x
x = 5,213,695,241,898.49/2,638,918.28 - Step 6: Final answer
x = 1,975,694.09
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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.