Finding the Fourth Proportional to 2,084,711.40, 3,131,732.70 and 1,999,693.80
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Solution
The fourth proportional to 2,084,711.40, 3,131,732.70 and 1,999,693.80 is: 3,004,016.03
Step by Step Solution
- Step 1: Write the proportion equation
2,084,711.40 : 3,131,732.70 = 1,999,693.80 : x - Step 2: Convert to fraction form
2,084,711.40/3,131,732.70 = 1,999,693.80/x - Step 3: Cross multiply
2,084,711.40x = 3,131,732.70 × 1,999,693.80 - Step 4: Simplify right side
2,084,711.40x = 6,262,506,463,447.26 - Step 5: Solve for x
x = 6,262,506,463,447.26/2,084,711.40 - Step 6: Final answer
x = 3,004,016.03
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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.