Finding the Fourth Proportional to 2,088,350.80, 3,126,305.40 and 1,246,469.20
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Solution
The fourth proportional to 2,088,350.80, 3,126,305.40 and 1,246,469.20 is: 1,865,990.81
Step by Step Solution
- Step 1: Write the proportion equation
2,088,350.80 : 3,126,305.40 = 1,246,469.20 : x - Step 2: Convert to fraction form
2,088,350.80/3,126,305.40 = 1,246,469.20/x - Step 3: Cross multiply
2,088,350.80x = 3,126,305.40 × 1,246,469.20 - Step 4: Simplify right side
2,088,350.80x = 3,896,843,390,893.68 - Step 5: Solve for x
x = 3,896,843,390,893.68/2,088,350.80 - Step 6: Final answer
x = 1,865,990.81
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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.