Finding the Fourth Proportional to 3,778,107.88, 5,669,357.19 and 1,589,517.18
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Solution
The fourth proportional to 3,778,107.88, 5,669,357.19 and 1,589,517.18 is: 2,385,199.39
Step by Step Solution
- Step 1: Write the proportion equation
3,778,107.88 : 5,669,357.19 = 1,589,517.18 : x - Step 2: Convert to fraction form
3,778,107.88/5,669,357.19 = 1,589,517.18/x - Step 3: Cross multiply
3,778,107.88x = 5,669,357.19 × 1,589,517.18 - Step 4: Simplify right side
3,778,107.88x = 9,011,540,624,714.74 - Step 5: Solve for x
x = 9,011,540,624,714.74/3,778,107.88 - Step 6: Final answer
x = 2,385,199.39
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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.