Finding the Fourth Proportional to 2,586,622.26, 3,569,649.49 and 1,440,702.90
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Solution
The fourth proportional to 2,586,622.26, 3,569,649.49 and 1,440,702.90 is: 1,988,231.70
Step by Step Solution
- Step 1: Write the proportion equation
2,586,622.26 : 3,569,649.49 = 1,440,702.90 : x - Step 2: Convert to fraction form
2,586,622.26/3,569,649.49 = 1,440,702.90/x - Step 3: Cross multiply
2,586,622.26x = 3,569,649.49 × 1,440,702.90 - Step 4: Simplify right side
2,586,622.26x = 5,142,804,372,226.52 - Step 5: Solve for x
x = 5,142,804,372,226.52/2,586,622.26 - Step 6: Final answer
x = 1,988,231.70
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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.