Finding the Fourth Proportional to 2,107,830.87, 3,161,833.79 and 611,922.87
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Solution
The fourth proportional to 2,107,830.87, 3,161,833.79 and 611,922.87 is: 917,909.70
Step by Step Solution
- Step 1: Write the proportion equation
2,107,830.87 : 3,161,833.79 = 611,922.87 : x - Step 2: Convert to fraction form
2,107,830.87/3,161,833.79 = 611,922.87/x - Step 3: Cross multiply
2,107,830.87x = 3,161,833.79 × 611,922.87 - Step 4: Simplify right side
2,107,830.87x = 1,934,798,404,180.16 - Step 5: Solve for x
x = 1,934,798,404,180.16/2,107,830.87 - Step 6: Final answer
x = 917,909.70
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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.