Finding the Fourth Proportional to 3,534,367.56, 4,877,446.80 and 1,985,694.54
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Solution
The fourth proportional to 3,534,367.56, 4,877,446.80 and 1,985,694.54 is: 2,740,269.46
Step by Step Solution
- Step 1: Write the proportion equation
3,534,367.56 : 4,877,446.80 = 1,985,694.54 : x - Step 2: Convert to fraction form
3,534,367.56/4,877,446.80 = 1,985,694.54/x - Step 3: Cross multiply
3,534,367.56x = 4,877,446.80 × 1,985,694.54 - Step 4: Simplify right side
3,534,367.56x = 9,685,119,479,900.47 - Step 5: Solve for x
x = 9,685,119,479,900.47/3,534,367.56 - Step 6: Final answer
x = 2,740,269.46
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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.