Finding the Fourth Proportional to 2,116,087.08, 2,920,199.49 and 1,149,217.62
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Solution
The fourth proportional to 2,116,087.08, 2,920,199.49 and 1,149,217.62 is: 1,585,919.95
Step by Step Solution
- Step 1: Write the proportion equation
2,116,087.08 : 2,920,199.49 = 1,149,217.62 : x - Step 2: Convert to fraction form
2,116,087.08/2,920,199.49 = 1,149,217.62/x - Step 3: Cross multiply
2,116,087.08x = 2,920,199.49 × 1,149,217.62 - Step 4: Simplify right side
2,116,087.08x = 3,355,944,707,823.01 - Step 5: Solve for x
x = 3,355,944,707,823.01/2,116,087.08 - Step 6: Final answer
x = 1,585,919.95
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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.