Finding the Fourth Proportional to 1,912,029.57, 2,868,651.05 and 564,198.75
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Solution
The fourth proportional to 1,912,029.57, 2,868,651.05 and 564,198.75 is: 846,477.15
Step by Step Solution
- Step 1: Write the proportion equation
1,912,029.57 : 2,868,651.05 = 564,198.75 : x - Step 2: Convert to fraction form
1,912,029.57/2,868,651.05 = 564,198.75/x - Step 3: Cross multiply
1,912,029.57x = 2,868,651.05 × 564,198.75 - Step 4: Simplify right side
1,912,029.57x = 1,618,489,333,775.19 - Step 5: Solve for x
x = 1,618,489,333,775.19/1,912,029.57 - Step 6: Final answer
x = 846,477.15
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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.