Finding the Fourth Proportional to 4,434,145.20, 6,649,662.60 and 2,303,521.20
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Solution
The fourth proportional to 4,434,145.20, 6,649,662.60 and 2,303,521.20 is: 3,454,473.88
Step by Step Solution
- Step 1: Write the proportion equation
4,434,145.20 : 6,649,662.60 = 2,303,521.20 : x - Step 2: Convert to fraction form
4,434,145.20/6,649,662.60 = 2,303,521.20/x - Step 3: Cross multiply
4,434,145.20x = 6,649,662.60 × 2,303,521.20 - Step 4: Simplify right side
4,434,145.20x = 15,317,638,771,947.12 - Step 5: Solve for x
x = 15,317,638,771,947.12/4,434,145.20 - Step 6: Final answer
x = 3,454,473.88
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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.