Finding the Fourth Proportional to 2,197,474.09, 3,297,158.36 and 1,186,395.28
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Solution
The fourth proportional to 2,197,474.09, 3,297,158.36 and 1,186,395.28 is: 1,780,104.32
Step by Step Solution
- Step 1: Write the proportion equation
2,197,474.09 : 3,297,158.36 = 1,186,395.28 : x - Step 2: Convert to fraction form
2,197,474.09/3,297,158.36 = 1,186,395.28/x - Step 3: Cross multiply
2,197,474.09x = 3,297,158.36 × 1,186,395.28 - Step 4: Simplify right side
2,197,474.09x = 3,911,733,115,716.54 - Step 5: Solve for x
x = 3,911,733,115,716.54/2,197,474.09 - Step 6: Final answer
x = 1,780,104.32
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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.