Finding the Fourth Proportional to 2,384,549.62, 3,290,691.09 and 1,296,829.78
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Solution
The fourth proportional to 2,384,549.62, 3,290,691.09 and 1,296,829.78 is: 1,789,631.96
Step by Step Solution
- Step 1: Write the proportion equation
2,384,549.62 : 3,290,691.09 = 1,296,829.78 : x - Step 2: Convert to fraction form
2,384,549.62/3,290,691.09 = 1,296,829.78/x - Step 3: Cross multiply
2,384,549.62x = 3,290,691.09 × 1,296,829.78 - Step 4: Simplify right side
2,384,549.62x = 4,267,466,202,292.66 - Step 5: Solve for x
x = 4,267,466,202,292.66/2,384,549.62 - Step 6: Final answer
x = 1,789,631.96
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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.