Finding the Fourth Proportional to 990,052.10, 1,366,273.42 and 537,344.18
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Solution
The fourth proportional to 990,052.10, 1,366,273.42 and 537,344.18 is: 741,535.79
Step by Step Solution
- Step 1: Write the proportion equation
990,052.10 : 1,366,273.42 = 537,344.18 : x - Step 2: Convert to fraction form
990,052.10/1,366,273.42 = 537,344.18/x - Step 3: Cross multiply
990,052.10x = 1,366,273.42 × 537,344.18 - Step 4: Simplify right side
990,052.10x = 734,159,070,525.70 - Step 5: Solve for x
x = 734,159,070,525.70/990,052.10 - Step 6: Final answer
x = 741,535.79
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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.