Finding the Fourth Proportional to 1,338,871.14, 1,847,664.41 and 727,025.09
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Solution
The fourth proportional to 1,338,871.14, 1,847,664.41 and 727,025.09 is: 1,003,306.69
Step by Step Solution
- Step 1: Write the proportion equation
1,338,871.14 : 1,847,664.41 = 727,025.09 : x - Step 2: Convert to fraction form
1,338,871.14/1,847,664.41 = 727,025.09/x - Step 3: Cross multiply
1,338,871.14x = 1,847,664.41 × 727,025.09 - Step 4: Simplify right side
1,338,871.14x = 1,343,298,371,096.60 - Step 5: Solve for x
x = 1,343,298,371,096.60/1,338,871.14 - Step 6: Final answer
x = 1,003,306.69
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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.