Finding the Fourth Proportional to 2,321,581.62, 3,203,782.68 and 1,302,986.40
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Solution
The fourth proportional to 2,321,581.62, 3,203,782.68 and 1,302,986.40 is: 1,798,121.26
Step by Step Solution
- Step 1: Write the proportion equation
2,321,581.62 : 3,203,782.68 = 1,302,986.40 : x - Step 2: Convert to fraction form
2,321,581.62/3,203,782.68 = 1,302,986.40/x - Step 3: Cross multiply
2,321,581.62x = 3,203,782.68 × 1,302,986.40 - Step 4: Simplify right side
2,321,581.62x = 4,174,485,260,595.55 - Step 5: Solve for x
x = 4,174,485,260,595.55/2,321,581.62 - Step 6: Final answer
x = 1,798,121.26
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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.