Finding the Fourth Proportional to 2,190,711.20, 3,283,129.48 and 1,704,979.87
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Solution
The fourth proportional to 2,190,711.20, 3,283,129.48 and 1,704,979.87 is: 2,555,183.76
Step by Step Solution
- Step 1: Write the proportion equation
2,190,711.20 : 3,283,129.48 = 1,704,979.87 : x - Step 2: Convert to fraction form
2,190,711.20/3,283,129.48 = 1,704,979.87/x - Step 3: Cross multiply
2,190,711.20x = 3,283,129.48 × 1,704,979.87 - Step 4: Simplify right side
2,190,711.20x = 5,597,669,674,003.57 - Step 5: Solve for x
x = 5,597,669,674,003.57/2,190,711.20 - Step 6: Final answer
x = 2,555,183.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.