Finding the Fourth Proportional to 1,593,873.21, 2,199,546.72 and 868,721.52
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Solution
The fourth proportional to 1,593,873.21, 2,199,546.72 and 868,721.52 is: 1,198,836.62
Step by Step Solution
- Step 1: Write the proportion equation
1,593,873.21 : 2,199,546.72 = 868,721.52 : x - Step 2: Convert to fraction form
1,593,873.21/2,199,546.72 = 868,721.52/x - Step 3: Cross multiply
1,593,873.21x = 2,199,546.72 × 868,721.52 - Step 4: Simplify right side
1,593,873.21x = 1,910,793,569,909.41 - Step 5: Solve for x
x = 1,910,793,569,909.41/1,593,873.21 - Step 6: Final answer
x = 1,198,836.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.