Finding the Fourth Proportional to 6,308,142.75, 9,462,213.12 and 1,515,832.02
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Solution
The fourth proportional to 6,308,142.75, 9,462,213.12 and 1,515,832.02 is: 2,273,747.79
Step by Step Solution
- Step 1: Write the proportion equation
6,308,142.75 : 9,462,213.12 = 1,515,832.02 : x - Step 2: Convert to fraction form
6,308,142.75/9,462,213.12 = 1,515,832.02/x - Step 3: Cross multiply
6,308,142.75x = 9,462,213.12 × 1,515,832.02 - Step 4: Simplify right side
6,308,142.75x = 14,343,125,627,360.10 - Step 5: Solve for x
x = 14,343,125,627,360.10/6,308,142.75 - Step 6: Final answer
x = 2,273,747.79
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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.