Finding the Fourth Proportional to 3,883,412.70, 5,823,369.45 and 1,486,460.70
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Solution
The fourth proportional to 3,883,412.70, 5,823,369.45 and 1,486,460.70 is: 2,229,021.35
Step by Step Solution
- Step 1: Write the proportion equation
3,883,412.70 : 5,823,369.45 = 1,486,460.70 : x - Step 2: Convert to fraction form
3,883,412.70/5,823,369.45 = 1,486,460.70/x - Step 3: Cross multiply
3,883,412.70x = 5,823,369.45 × 1,486,460.70 - Step 4: Simplify right side
3,883,412.70x = 8,656,209,829,005.62 - Step 5: Solve for x
x = 8,656,209,829,005.62/3,883,412.70 - Step 6: Final answer
x = 2,229,021.35
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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.