Finding the Fourth Proportional to 3,845,910.18, 5,768,983.34 and 1,321,529.70
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Solution
The fourth proportional to 3,845,910.18, 5,768,983.34 and 1,321,529.70 is: 1,982,335.12
Step by Step Solution
- Step 1: Write the proportion equation
3,845,910.18 : 5,768,983.34 = 1,321,529.70 : x - Step 2: Convert to fraction form
3,845,910.18/5,768,983.34 = 1,321,529.70/x - Step 3: Cross multiply
3,845,910.18x = 5,768,983.34 × 1,321,529.70 - Step 4: Simplify right side
3,845,910.18x = 7,623,882,822,615.20 - Step 5: Solve for x
x = 7,623,882,822,615.20/3,845,910.18 - Step 6: Final answer
x = 1,982,335.12
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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.