Finding the Fourth Proportional to 7,204,145.64, 9,942,260.46 and 4,106,742.84
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Solution
The fourth proportional to 7,204,145.64, 9,942,260.46 and 4,106,742.84 is: 5,667,612.65
Step by Step Solution
- Step 1: Write the proportion equation
7,204,145.64 : 9,942,260.46 = 4,106,742.84 : x - Step 2: Convert to fraction form
7,204,145.64/9,942,260.46 = 4,106,742.84/x - Step 3: Cross multiply
7,204,145.64x = 9,942,260.46 × 4,106,742.84 - Step 4: Simplify right side
7,204,145.64x = 40,830,306,957,520.11 - Step 5: Solve for x
x = 40,830,306,957,520.11/7,204,145.64 - Step 6: Final answer
x = 5,667,612.65
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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.