Finding the Fourth Proportional to 3,216,793.72, 4,438,065.64 and 2,055,919.48
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Solution
The fourth proportional to 3,216,793.72, 4,438,065.64 and 2,055,919.48 is: 2,836,459.65
Step by Step Solution
- Step 1: Write the proportion equation
3,216,793.72 : 4,438,065.64 = 2,055,919.48 : x - Step 2: Convert to fraction form
3,216,793.72/4,438,065.64 = 2,055,919.48/x - Step 3: Cross multiply
3,216,793.72x = 4,438,065.64 × 2,055,919.48 - Step 4: Simplify right side
3,216,793.72x = 9,124,305,602,794.67 - Step 5: Solve for x
x = 9,124,305,602,794.67/3,216,793.72 - Step 6: Final answer
x = 2,836,459.65
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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.