Finding the Fourth Proportional to 3,126,144.68, 4,689,129.54 and 996,356.60
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Solution
The fourth proportional to 3,126,144.68, 4,689,129.54 and 996,356.60 is: 1,494,507.02
Step by Step Solution
- Step 1: Write the proportion equation
3,126,144.68 : 4,689,129.54 = 996,356.60 : x - Step 2: Convert to fraction form
3,126,144.68/4,689,129.54 = 996,356.60/x - Step 3: Cross multiply
3,126,144.68x = 4,689,129.54 × 996,356.60 - Step 4: Simplify right side
3,126,144.68x = 4,672,045,165,433.96 - Step 5: Solve for x
x = 4,672,045,165,433.96/3,126,144.68 - Step 6: Final answer
x = 1,494,507.02
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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.