Finding the Fourth Proportional to 2,084,032.20, 3,121,382.70 and 1,609,177.80
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Solution
The fourth proportional to 2,084,032.20, 3,121,382.70 and 1,609,177.80 is: 2,410,164.17
Step by Step Solution
- Step 1: Write the proportion equation
2,084,032.20 : 3,121,382.70 = 1,609,177.80 : x - Step 2: Convert to fraction form
2,084,032.20/3,121,382.70 = 1,609,177.80/x - Step 3: Cross multiply
2,084,032.20x = 3,121,382.70 × 1,609,177.80 - Step 4: Simplify right side
2,084,032.20x = 5,022,859,746,144.06 - Step 5: Solve for x
x = 5,022,859,746,144.06/2,084,032.20 - Step 6: Final answer
x = 2,410,164.17
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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.