Finding the Fourth Proportional to 5,431,601.70, 8,148,386.70 and 2,729,125.80
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Solution
The fourth proportional to 5,431,601.70, 8,148,386.70 and 2,729,125.80 is: 4,094,183.19
Step by Step Solution
- Step 1: Write the proportion equation
5,431,601.70 : 8,148,386.70 = 2,729,125.80 : x - Step 2: Convert to fraction form
5,431,601.70/8,148,386.70 = 2,729,125.80/x - Step 3: Cross multiply
5,431,601.70x = 8,148,386.70 × 2,729,125.80 - Step 4: Simplify right side
5,431,601.70x = 22,237,972,371,346.86 - Step 5: Solve for x
x = 22,237,972,371,346.86/5,431,601.70 - Step 6: Final answer
x = 4,094,183.19
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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.