Finding the Fourth Proportional to 2,586,231.62, 3,569,110.35 and 1,440,311.96
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Solution
The fourth proportional to 2,586,231.62, 3,569,110.35 and 1,440,311.96 is: 1,987,692.17
Step by Step Solution
- Step 1: Write the proportion equation
2,586,231.62 : 3,569,110.35 = 1,440,311.96 : x - Step 2: Convert to fraction form
2,586,231.62/3,569,110.35 = 1,440,311.96/x - Step 3: Cross multiply
2,586,231.62x = 3,569,110.35 × 1,440,311.96 - Step 4: Simplify right side
2,586,231.62x = 5,140,632,326,341.78 - Step 5: Solve for x
x = 5,140,632,326,341.78/2,586,231.62 - Step 6: Final answer
x = 1,987,692.17
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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.