Finding the Fourth Proportional to 2,756,977.20, 4,135,465.80 and 2,632,974.30
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Solution
The fourth proportional to 2,756,977.20, 4,135,465.80 and 2,632,974.30 is: 3,949,461.45
Step by Step Solution
- Step 1: Write the proportion equation
2,756,977.20 : 4,135,465.80 = 2,632,974.30 : x - Step 2: Convert to fraction form
2,756,977.20/4,135,465.80 = 2,632,974.30/x - Step 3: Cross multiply
2,756,977.20x = 4,135,465.80 × 2,632,974.30 - Step 4: Simplify right side
2,756,977.20x = 10,888,575,169,928.94 - Step 5: Solve for x
x = 10,888,575,169,928.94/2,756,977.20 - Step 6: Final answer
x = 3,949,461.45
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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.