Finding the Fourth Proportional to 3,120,661.44, 4,673,425.04 and 2,158,416.48
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Solution
The fourth proportional to 3,120,661.44, 4,673,425.04 and 2,158,416.48 is: 3,232,390.89
Step by Step Solution
- Step 1: Write the proportion equation
3,120,661.44 : 4,673,425.04 = 2,158,416.48 : x - Step 2: Convert to fraction form
3,120,661.44/4,673,425.04 = 2,158,416.48/x - Step 3: Cross multiply
3,120,661.44x = 4,673,425.04 × 2,158,416.48 - Step 4: Simplify right side
3,120,661.44x = 10,087,197,624,380.66 - Step 5: Solve for x
x = 10,087,197,624,380.66/3,120,661.44 - Step 6: Final answer
x = 3,232,390.89
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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.