Finding the Fourth Proportional to 3,199,232.30, 4,391,440.03 and 2,828,535.80
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Solution
The fourth proportional to 3,199,232.30, 4,391,440.03 and 2,828,535.80 is: 3,882,601.88
Step by Step Solution
- Step 1: Write the proportion equation
3,199,232.30 : 4,391,440.03 = 2,828,535.80 : x - Step 2: Convert to fraction form
3,199,232.30/4,391,440.03 = 2,828,535.80/x - Step 3: Cross multiply
3,199,232.30x = 4,391,440.03 × 2,828,535.80 - Step 4: Simplify right side
3,199,232.30x = 12,421,345,338,408.07 - Step 5: Solve for x
x = 12,421,345,338,408.07/3,199,232.30 - Step 6: Final answer
x = 3,882,601.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.