Finding the Fourth Proportional to 3,180,783.97, 4,389,500.97 and 1,730,489.81
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Solution
The fourth proportional to 3,180,783.97, 4,389,500.97 and 1,730,489.81 is: 2,388,086.32
Step by Step Solution
- Step 1: Write the proportion equation
3,180,783.97 : 4,389,500.97 = 1,730,489.81 : x - Step 2: Convert to fraction form
3,180,783.97/4,389,500.97 = 1,730,489.81/x - Step 3: Cross multiply
3,180,783.97x = 4,389,500.97 × 1,730,489.81 - Step 4: Simplify right side
3,180,783.97x = 7,595,986,677,622.61 - Step 5: Solve for x
x = 7,595,986,677,622.61/3,180,783.97 - Step 6: Final answer
x = 2,388,086.32
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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.