Finding the Fourth Proportional to 1,381,480.16, 2,068,393.92 and 706,107.08
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Solution
The fourth proportional to 1,381,480.16, 2,068,393.92 and 706,107.08 is: 1,057,204.90
Step by Step Solution
- Step 1: Write the proportion equation
1,381,480.16 : 2,068,393.92 = 706,107.08 : x - Step 2: Convert to fraction form
1,381,480.16/2,068,393.92 = 706,107.08/x - Step 3: Cross multiply
1,381,480.16x = 2,068,393.92 × 706,107.08 - Step 4: Simplify right side
1,381,480.16x = 1,460,507,591,140.95 - Step 5: Solve for x
x = 1,460,507,591,140.95/1,381,480.16 - Step 6: Final answer
x = 1,057,204.90
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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.