Finding the Fourth Proportional to 2,088,297.60, 3,128,299.20 and 1,244,342.40
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Solution
The fourth proportional to 2,088,297.60, 3,128,299.20 and 1,244,342.40 is: 1,864,042.43
Step by Step Solution
- Step 1: Write the proportion equation
2,088,297.60 : 3,128,299.20 = 1,244,342.40 : x - Step 2: Convert to fraction form
2,088,297.60/3,128,299.20 = 1,244,342.40/x - Step 3: Cross multiply
2,088,297.60x = 3,128,299.20 × 1,244,342.40 - Step 4: Simplify right side
2,088,297.60x = 3,892,675,334,446.08 - Step 5: Solve for x
x = 3,892,675,334,446.08/2,088,297.60 - Step 6: Final answer
x = 1,864,042.43
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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.