Finding the Fourth Proportional to 2,079,401.38, 2,869,542.26 and 1,161,643.68
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Solution
The fourth proportional to 2,079,401.38, 2,869,542.26 and 1,161,643.68 is: 1,603,050.60
Step by Step Solution
- Step 1: Write the proportion equation
2,079,401.38 : 2,869,542.26 = 1,161,643.68 : x - Step 2: Convert to fraction form
2,079,401.38/2,869,542.26 = 1,161,643.68/x - Step 3: Cross multiply
2,079,401.38x = 2,869,542.26 × 1,161,643.68 - Step 4: Simplify right side
2,079,401.38x = 3,333,385,630,821.92 - Step 5: Solve for x
x = 3,333,385,630,821.92/2,079,401.38 - Step 6: Final answer
x = 1,603,050.60
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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.