Finding the Fourth Proportional to 4,151,251.70, 6,228,043.95 and 2,021,405.30
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Solution
The fourth proportional to 4,151,251.70, 6,228,043.95 and 2,021,405.30 is: 3,032,675.92
Step by Step Solution
- Step 1: Write the proportion equation
4,151,251.70 : 6,228,043.95 = 2,021,405.30 : x - Step 2: Convert to fraction form
4,151,251.70/6,228,043.95 = 2,021,405.30/x - Step 3: Cross multiply
4,151,251.70x = 6,228,043.95 × 2,021,405.30 - Step 4: Simplify right side
4,151,251.70x = 12,589,401,049,162.94 - Step 5: Solve for x
x = 12,589,401,049,162.94/4,151,251.70 - Step 6: Final answer
x = 3,032,675.92
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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.