Finding the Fourth Proportional to 4,206,165.20, 6,309,247.80 and 1,366,564.40
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Solution
The fourth proportional to 4,206,165.20, 6,309,247.80 and 1,366,564.40 is: 2,049,846.60
Step by Step Solution
- Step 1: Write the proportion equation
4,206,165.20 : 6,309,247.80 = 1,366,564.40 : x - Step 2: Convert to fraction form
4,206,165.20/6,309,247.80 = 1,366,564.40/x - Step 3: Cross multiply
4,206,165.20x = 6,309,247.80 × 1,366,564.40 - Step 4: Simplify right side
4,206,165.20x = 8,621,993,434,258.32 - Step 5: Solve for x
x = 8,621,993,434,258.32/4,206,165.20 - Step 6: Final answer
x = 2,049,846.60
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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.