Finding the Fourth Proportional to 3,373,705.80, 5,060,558.70 and 1,129,843.80
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Solution
The fourth proportional to 3,373,705.80, 5,060,558.70 and 1,129,843.80 is: 1,694,765.70
Step by Step Solution
- Step 1: Write the proportion equation
3,373,705.80 : 5,060,558.70 = 1,129,843.80 : x - Step 2: Convert to fraction form
3,373,705.80/5,060,558.70 = 1,129,843.80/x - Step 3: Cross multiply
3,373,705.80x = 5,060,558.70 × 1,129,843.80 - Step 4: Simplify right side
3,373,705.80x = 5,717,640,871,731.06 - Step 5: Solve for x
x = 5,717,640,871,731.06/3,373,705.80 - Step 6: Final answer
x = 1,694,765.70
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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.