Finding the Fourth Proportional to 3,534,748.40, 5,303,677.80 and 1,640,514.80
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Solution
The fourth proportional to 3,534,748.40, 5,303,677.80 and 1,640,514.80 is: 2,461,493.99
Step by Step Solution
- Step 1: Write the proportion equation
3,534,748.40 : 5,303,677.80 = 1,640,514.80 : x - Step 2: Convert to fraction form
3,534,748.40/5,303,677.80 = 1,640,514.80/x - Step 3: Cross multiply
3,534,748.40x = 5,303,677.80 × 1,640,514.80 - Step 4: Simplify right side
3,534,748.40x = 8,700,761,925,331.44 - Step 5: Solve for x
x = 8,700,761,925,331.44/3,534,748.40 - Step 6: Final answer
x = 2,461,493.99
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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.