Finding the Fourth Proportional to 1,382,693.42, 2,074,037.70 and 540,654.68
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Solution
The fourth proportional to 1,382,693.42, 2,074,037.70 and 540,654.68 is: 810,981.07
Step by Step Solution
- Step 1: Write the proportion equation
1,382,693.42 : 2,074,037.70 = 540,654.68 : x - Step 2: Convert to fraction form
1,382,693.42/2,074,037.70 = 540,654.68/x - Step 3: Cross multiply
1,382,693.42x = 2,074,037.70 × 540,654.68 - Step 4: Simplify right side
1,382,693.42x = 1,121,338,189,001.44 - Step 5: Solve for x
x = 1,121,338,189,001.44/1,382,693.42 - Step 6: Final answer
x = 810,981.07
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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.