Finding the Fourth Proportional to 4,555,749.68, 6,821,216.02 and 3,205,889.54
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Solution
The fourth proportional to 4,555,749.68, 6,821,216.02 and 3,205,889.54 is: 4,800,102.43
Step by Step Solution
- Step 1: Write the proportion equation
4,555,749.68 : 6,821,216.02 = 3,205,889.54 : x - Step 2: Convert to fraction form
4,555,749.68/6,821,216.02 = 3,205,889.54/x - Step 3: Cross multiply
4,555,749.68x = 6,821,216.02 × 3,205,889.54 - Step 4: Simplify right side
4,555,749.68x = 21,868,065,088,598.43 - Step 5: Solve for x
x = 21,868,065,088,598.43/4,555,749.68 - Step 6: Final answer
x = 4,800,102.43
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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.