Finding the Fourth Proportional to 3,407,724.70, 5,107,245.45 and 1,811,052.70
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Solution
The fourth proportional to 3,407,724.70, 5,107,245.45 and 1,811,052.70 is: 2,714,271.68
Step by Step Solution
- Step 1: Write the proportion equation
3,407,724.70 : 5,107,245.45 = 1,811,052.70 : x - Step 2: Convert to fraction form
3,407,724.70/5,107,245.45 = 1,811,052.70/x - Step 3: Cross multiply
3,407,724.70x = 5,107,245.45 × 1,811,052.70 - Step 4: Simplify right side
3,407,724.70x = 9,249,490,661,785.22 - Step 5: Solve for x
x = 9,249,490,661,785.22/3,407,724.70 - Step 6: Final answer
x = 2,714,271.68
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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.