Finding the Fourth Proportional to 5,728,628.24, 7,905,403.68 and 3,150,316.16
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Solution
The fourth proportional to 5,728,628.24, 7,905,403.68 and 3,150,316.16 is: 4,347,379.50
Step by Step Solution
- Step 1: Write the proportion equation
5,728,628.24 : 7,905,403.68 = 3,150,316.16 : x - Step 2: Convert to fraction form
5,728,628.24/7,905,403.68 = 3,150,316.16/x - Step 3: Cross multiply
5,728,628.24x = 7,905,403.68 × 3,150,316.16 - Step 4: Simplify right side
5,728,628.24x = 24,904,520,964,427.47 - Step 5: Solve for x
x = 24,904,520,964,427.47/5,728,628.24 - Step 6: Final answer
x = 4,347,379.50
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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.