Finding the Fourth Proportional to 1,398,353.04, 2,093,874.60 and 1,313,120.07
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Solution
The fourth proportional to 1,398,353.04, 2,093,874.60 and 1,313,120.07 is: 1,966,247.92
Step by Step Solution
- Step 1: Write the proportion equation
1,398,353.04 : 2,093,874.60 = 1,313,120.07 : x - Step 2: Convert to fraction form
1,398,353.04/2,093,874.60 = 1,313,120.07/x - Step 3: Cross multiply
1,398,353.04x = 2,093,874.60 × 1,313,120.07 - Step 4: Simplify right side
1,398,353.04x = 2,749,508,761,323.22 - Step 5: Solve for x
x = 2,749,508,761,323.22/1,398,353.04 - Step 6: Final answer
x = 1,966,247.92
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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.