Finding the Fourth Proportional to 5,183,824.96, 7,779,208.20 and 2,151,193.78
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Solution
The fourth proportional to 5,183,824.96, 7,779,208.20 and 2,151,193.78 is: 3,228,230.97
Step by Step Solution
- Step 1: Write the proportion equation
5,183,824.96 : 7,779,208.20 = 2,151,193.78 : x - Step 2: Convert to fraction form
5,183,824.96/7,779,208.20 = 2,151,193.78/x - Step 3: Cross multiply
5,183,824.96x = 7,779,208.20 × 2,151,193.78 - Step 4: Simplify right side
5,183,824.96x = 16,734,584,293,164.99 - Step 5: Solve for x
x = 16,734,584,293,164.99/5,183,824.96 - Step 6: Final answer
x = 3,228,230.97
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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.