Finding the Fourth Proportional to 3,221,263.20, 4,821,380.58 and 2,368,108.82
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Solution
The fourth proportional to 3,221,263.20, 4,821,380.58 and 2,368,108.82 is: 3,544,433.71
Step by Step Solution
- Step 1: Write the proportion equation
3,221,263.20 : 4,821,380.58 = 2,368,108.82 : x - Step 2: Convert to fraction form
3,221,263.20/4,821,380.58 = 2,368,108.82/x - Step 3: Cross multiply
3,221,263.20x = 4,821,380.58 × 2,368,108.82 - Step 4: Simplify right side
3,221,263.20x = 11,417,553,876,074.71 - Step 5: Solve for x
x = 11,417,553,876,074.71/3,221,263.20 - Step 6: Final answer
x = 3,544,433.71
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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.