Finding the Fourth Proportional to 1,762,183.72, 2,431,344.70 and 1,016,920.74
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Solution
The fourth proportional to 1,762,183.72, 2,431,344.70 and 1,016,920.74 is: 1,403,080.07
Step by Step Solution
- Step 1: Write the proportion equation
1,762,183.72 : 2,431,344.70 = 1,016,920.74 : x - Step 2: Convert to fraction form
1,762,183.72/2,431,344.70 = 1,016,920.74/x - Step 3: Cross multiply
1,762,183.72x = 2,431,344.70 × 1,016,920.74 - Step 4: Simplify right side
1,762,183.72x = 2,472,484,861,907.77 - Step 5: Solve for x
x = 2,472,484,861,907.77/1,762,183.72 - Step 6: Final answer
x = 1,403,080.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.