Finding the Fourth Proportional to 1,349,262.14, 1,861,801.79 and 866,481.21
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Solution
The fourth proportional to 1,349,262.14, 1,861,801.79 and 866,481.21 is: 1,195,628.50
Step by Step Solution
- Step 1: Write the proportion equation
1,349,262.14 : 1,861,801.79 = 866,481.21 : x - Step 2: Convert to fraction form
1,349,262.14/1,861,801.79 = 866,481.21/x - Step 3: Cross multiply
1,349,262.14x = 1,861,801.79 × 866,481.21 - Step 4: Simplify right side
1,349,262.14x = 1,613,216,263,446.96 - Step 5: Solve for x
x = 1,613,216,263,446.96/1,349,262.14 - Step 6: Final answer
x = 1,195,628.50
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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.