Finding the Fourth Proportional to 4,638,440.48, 6,957,660.18 and 2,722,267.40
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Solution
The fourth proportional to 4,638,440.48, 6,957,660.18 and 2,722,267.40 is: 4,083,400.78
Step by Step Solution
- Step 1: Write the proportion equation
4,638,440.48 : 6,957,660.18 = 2,722,267.40 : x - Step 2: Convert to fraction form
4,638,440.48/6,957,660.18 = 2,722,267.40/x - Step 3: Cross multiply
4,638,440.48x = 6,957,660.18 × 2,722,267.40 - Step 4: Simplify right side
4,638,440.48x = 18,940,611,488,292.13 - Step 5: Solve for x
x = 18,940,611,488,292.13/4,638,440.48 - Step 6: Final answer
x = 4,083,400.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.