Finding the Fourth Proportional to 3,405,078.66, 4,699,040.60 and 1,877,240.46
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Solution
The fourth proportional to 3,405,078.66, 4,699,040.60 and 1,877,240.46 is: 2,590,609.50
Step by Step Solution
- Step 1: Write the proportion equation
3,405,078.66 : 4,699,040.60 = 1,877,240.46 : x - Step 2: Convert to fraction form
3,405,078.66/4,699,040.60 = 1,877,240.46/x - Step 3: Cross multiply
3,405,078.66x = 4,699,040.60 × 1,877,240.46 - Step 4: Simplify right side
3,405,078.66x = 8,821,229,137,502.68 - Step 5: Solve for x
x = 8,821,229,137,502.68/3,405,078.66 - Step 6: Final answer
x = 2,590,609.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.