Finding the Fourth Proportional to 1,622,336.26, 2,238,765.36 and 887,265.42
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Solution
The fourth proportional to 1,622,336.26, 2,238,765.36 and 887,265.42 is: 1,224,394.19
Step by Step Solution
- Step 1: Write the proportion equation
1,622,336.26 : 2,238,765.36 = 887,265.42 : x - Step 2: Convert to fraction form
1,622,336.26/2,238,765.36 = 887,265.42/x - Step 3: Cross multiply
1,622,336.26x = 2,238,765.36 × 887,265.42 - Step 4: Simplify right side
1,622,336.26x = 1,986,379,087,421.85 - Step 5: Solve for x
x = 1,986,379,087,421.85/1,622,336.26 - Step 6: Final answer
x = 1,224,394.19
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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.