Finding the Fourth Proportional to 990,106.87, 1,366,350.11 and 537,397.87
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Solution
The fourth proportional to 990,106.87, 1,366,350.11 and 537,397.87 is: 741,610.49
Step by Step Solution
- Step 1: Write the proportion equation
990,106.87 : 1,366,350.11 = 537,397.87 : x - Step 2: Convert to fraction form
990,106.87/1,366,350.11 = 537,397.87/x - Step 3: Cross multiply
990,106.87x = 1,366,350.11 × 537,397.87 - Step 4: Simplify right side
990,106.87x = 734,273,638,788.27 - Step 5: Solve for x
x = 734,273,638,788.27/990,106.87 - Step 6: Final answer
x = 741,610.49
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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.