Finding the Fourth Proportional to 3,389,220.63, 4,677,118.74 and 1,861,327.62
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Solution
The fourth proportional to 3,389,220.63, 4,677,118.74 and 1,861,327.62 is: 2,568,628.97
Step by Step Solution
- Step 1: Write the proportion equation
3,389,220.63 : 4,677,118.74 = 1,861,327.62 : x - Step 2: Convert to fraction form
3,389,220.63/4,677,118.74 = 1,861,327.62/x - Step 3: Cross multiply
3,389,220.63x = 4,677,118.74 × 1,861,327.62 - Step 4: Simplify right side
3,389,220.63x = 8,705,650,292,781.60 - Step 5: Solve for x
x = 8,705,650,292,781.60/3,389,220.63 - Step 6: Final answer
x = 2,568,628.97
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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.