Finding the Fourth Proportional to 4,763,438.95, 7,145,147.49 and 2,067,414.70
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Solution
The fourth proportional to 4,763,438.95, 7,145,147.49 and 2,067,414.70 is: 3,101,117.30
Step by Step Solution
- Step 1: Write the proportion equation
4,763,438.95 : 7,145,147.49 = 2,067,414.70 : x - Step 2: Convert to fraction form
4,763,438.95/7,145,147.49 = 2,067,414.70/x - Step 3: Cross multiply
4,763,438.95x = 7,145,147.49 × 2,067,414.70 - Step 4: Simplify right side
4,763,438.95x = 14,771,982,928,878.43 - Step 5: Solve for x
x = 14,771,982,928,878.43/4,763,438.95 - Step 6: Final answer
x = 3,101,117.30
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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.