Finding the Fourth Proportional to 1,489,631.08, 2,234,796.54 and 492,359.08
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Solution
The fourth proportional to 1,489,631.08, 2,234,796.54 and 492,359.08 is: 738,654.28
Step by Step Solution
- Step 1: Write the proportion equation
1,489,631.08 : 2,234,796.54 = 492,359.08 : x - Step 2: Convert to fraction form
1,489,631.08/2,234,796.54 = 492,359.08/x - Step 3: Cross multiply
1,489,631.08x = 2,234,796.54 × 492,359.08 - Step 4: Simplify right side
1,489,631.08x = 1,100,322,368,421.58 - Step 5: Solve for x
x = 1,100,322,368,421.58/1,489,631.08 - Step 6: Final answer
x = 738,654.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.