Finding the Fourth Proportional to 2,135,572.83, 2,948,465.94 and 1,905,734.85
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Solution
The fourth proportional to 2,135,572.83, 2,948,465.94 and 1,905,734.85 is: 2,631,141.50
Step by Step Solution
- Step 1: Write the proportion equation
2,135,572.83 : 2,948,465.94 = 1,905,734.85 : x - Step 2: Convert to fraction form
2,135,572.83/2,948,465.94 = 1,905,734.85/x - Step 3: Cross multiply
2,135,572.83x = 2,948,465.94 × 1,905,734.85 - Step 4: Simplify right side
2,135,572.83x = 5,618,994,295,896.01 - Step 5: Solve for x
x = 5,618,994,295,896.01/2,135,572.83 - Step 6: Final answer
x = 2,631,141.50
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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.