Finding the Fourth Proportional to 1,658,520.87, 2,288,380.09 and 933,103.90
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Solution
The fourth proportional to 1,658,520.87, 2,288,380.09 and 933,103.90 is: 1,287,470.32
Step by Step Solution
- Step 1: Write the proportion equation
1,658,520.87 : 2,288,380.09 = 933,103.90 : x - Step 2: Convert to fraction form
1,658,520.87/2,288,380.09 = 933,103.90/x - Step 3: Cross multiply
1,658,520.87x = 2,288,380.09 × 933,103.90 - Step 4: Simplify right side
1,658,520.87x = 2,135,296,388,938.64 - Step 5: Solve for x
x = 2,135,296,388,938.64/1,658,520.87 - Step 6: Final answer
x = 1,287,470.32
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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.