Finding the Fourth Proportional to 4,193,404.14, 6,289,405.59 and 1,161,076.53
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Solution
The fourth proportional to 4,193,404.14, 6,289,405.59 and 1,161,076.53 is: 1,741,420.81
Step by Step Solution
- Step 1: Write the proportion equation
4,193,404.14 : 6,289,405.59 = 1,161,076.53 : x - Step 2: Convert to fraction form
4,193,404.14/6,289,405.59 = 1,161,076.53/x - Step 3: Cross multiply
4,193,404.14x = 6,289,405.59 × 1,161,076.53 - Step 4: Simplify right side
4,193,404.14x = 7,302,481,218,199.80 - Step 5: Solve for x
x = 7,302,481,218,199.80/4,193,404.14 - Step 6: Final answer
x = 1,741,420.81
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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.