Finding the Fourth Proportional to 4,311,428.55, 6,469,835.21 and 2,873,121.19
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Solution
The fourth proportional to 4,311,428.55, 6,469,835.21 and 2,873,121.19 is: 4,311,475.98
Step by Step Solution
- Step 1: Write the proportion equation
4,311,428.55 : 6,469,835.21 = 2,873,121.19 : x - Step 2: Convert to fraction form
4,311,428.55/6,469,835.21 = 2,873,121.19/x - Step 3: Cross multiply
4,311,428.55x = 6,469,835.21 × 2,873,121.19 - Step 4: Simplify right side
4,311,428.55x = 18,588,620,637,659.10 - Step 5: Solve for x
x = 18,588,620,637,659.10/4,311,428.55 - Step 6: Final answer
x = 4,311,475.98
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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.