Finding the Fourth Proportional to 4,251,626.88, 5,868,883.20 and 3,114,737.28
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Solution
The fourth proportional to 4,251,626.88, 5,868,883.20 and 3,114,737.28 is: 4,299,537.52
Step by Step Solution
- Step 1: Write the proportion equation
4,251,626.88 : 5,868,883.20 = 3,114,737.28 : x - Step 2: Convert to fraction form
4,251,626.88/5,868,883.20 = 3,114,737.28/x - Step 3: Cross multiply
4,251,626.88x = 5,868,883.20 × 3,114,737.28 - Step 4: Simplify right side
4,251,626.88x = 18,280,029,295,005.70 - Step 5: Solve for x
x = 18,280,029,295,005.70/4,251,626.88 - Step 6: Final answer
x = 4,299,537.52
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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.