Finding the Fourth Proportional to 6,516,446.09, 8,992,757.50 and 3,616,106.90
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Solution
The fourth proportional to 6,516,446.09, 8,992,757.50 and 3,616,106.90 is: 4,990,261.86
Step by Step Solution
- Step 1: Write the proportion equation
6,516,446.09 : 8,992,757.50 = 3,616,106.90 : x - Step 2: Convert to fraction form
6,516,446.09/8,992,757.50 = 3,616,106.90/x - Step 3: Cross multiply
6,516,446.09x = 8,992,757.50 × 3,616,106.90 - Step 4: Simplify right side
6,516,446.09x = 32,518,772,391,772.70 - Step 5: Solve for x
x = 32,518,772,391,772.70/6,516,446.09 - Step 6: Final answer
x = 4,990,261.86
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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.