Finding the Fourth Proportional to 4,221,820.67, 5,826,122.66 and 2,288,080.81
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Solution
The fourth proportional to 4,221,820.67, 5,826,122.66 and 2,288,080.81 is: 3,157,557.00
Step by Step Solution
- Step 1: Write the proportion equation
4,221,820.67 : 5,826,122.66 = 2,288,080.81 : x - Step 2: Convert to fraction form
4,221,820.67/5,826,122.66 = 2,288,080.81/x - Step 3: Cross multiply
4,221,820.67x = 5,826,122.66 × 2,288,080.81 - Step 4: Simplify right side
4,221,820.67x = 13,330,639,414,481.14 - Step 5: Solve for x
x = 13,330,639,414,481.14/4,221,820.67 - Step 6: Final answer
x = 3,157,557.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.