Finding the Fourth Proportional to 2,149,207.44, 2,965,789.14 and 1,182,181.62
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Solution
The fourth proportional to 2,149,207.44, 2,965,789.14 and 1,182,181.62 is: 1,631,346.21
Step by Step Solution
- Step 1: Write the proportion equation
2,149,207.44 : 2,965,789.14 = 1,182,181.62 : x - Step 2: Convert to fraction form
2,149,207.44/2,965,789.14 = 1,182,181.62/x - Step 3: Cross multiply
2,149,207.44x = 2,965,789.14 × 1,182,181.62 - Step 4: Simplify right side
2,149,207.44x = 3,506,101,410,103.61 - Step 5: Solve for x
x = 3,506,101,410,103.61/2,149,207.44 - Step 6: Final answer
x = 1,631,346.21
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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.