Finding the Fourth Proportional to 2,088,305.60, 3,128,311.20 and 1,244,350.40
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Solution
The fourth proportional to 2,088,305.60, 3,128,311.20 and 1,244,350.40 is: 1,864,054.42
Step by Step Solution
- Step 1: Write the proportion equation
2,088,305.60 : 3,128,311.20 = 1,244,350.40 : x - Step 2: Convert to fraction form
2,088,305.60/3,128,311.20 = 1,244,350.40/x - Step 3: Cross multiply
2,088,305.60x = 3,128,311.20 × 1,244,350.40 - Step 4: Simplify right side
2,088,305.60x = 3,892,715,293,044.48 - Step 5: Solve for x
x = 3,892,715,293,044.48/2,088,305.60 - Step 6: Final answer
x = 1,864,054.42
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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.