Finding the Fourth Proportional to 2,756,972.70, 4,135,459.05 and 2,632,969.80
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Solution
The fourth proportional to 2,756,972.70, 4,135,459.05 and 2,632,969.80 is: 3,949,454.70
Step by Step Solution
- Step 1: Write the proportion equation
2,756,972.70 : 4,135,459.05 = 2,632,969.80 : x - Step 2: Convert to fraction form
2,756,972.70/4,135,459.05 = 2,632,969.80/x - Step 3: Cross multiply
2,756,972.70x = 4,135,459.05 × 2,632,969.80 - Step 4: Simplify right side
2,756,972.70x = 10,888,538,787,786.69 - Step 5: Solve for x
x = 10,888,538,787,786.69/2,756,972.70 - Step 6: Final answer
x = 3,949,454.70
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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.