Finding the Fourth Proportional to 1,526,920.80, 2,107,344.24 and 923,641.44
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Solution
The fourth proportional to 1,526,920.80, 2,107,344.24 and 923,641.44 is: 1,274,742.26
Step by Step Solution
- Step 1: Write the proportion equation
1,526,920.80 : 2,107,344.24 = 923,641.44 : x - Step 2: Convert to fraction form
1,526,920.80/2,107,344.24 = 923,641.44/x - Step 3: Cross multiply
1,526,920.80x = 2,107,344.24 × 923,641.44 - Step 4: Simplify right side
1,526,920.80x = 1,946,430,468,409.31 - Step 5: Solve for x
x = 1,946,430,468,409.31/1,526,920.80 - Step 6: Final answer
x = 1,274,742.26
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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.