Finding the Fourth Proportional to 4,457,806.79, 6,682,043.69 and 1,865,596.84
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Solution
The fourth proportional to 4,457,806.79, 6,682,043.69 and 1,865,596.84 is: 2,796,442.32
Step by Step Solution
- Step 1: Write the proportion equation
4,457,806.79 : 6,682,043.69 = 1,865,596.84 : x - Step 2: Convert to fraction form
4,457,806.79/6,682,043.69 = 1,865,596.84/x - Step 3: Cross multiply
4,457,806.79x = 6,682,043.69 × 1,865,596.84 - Step 4: Simplify right side
4,457,806.79x = 12,465,999,581,365.23 - Step 5: Solve for x
x = 12,465,999,581,365.23/4,457,806.79 - Step 6: Final answer
x = 2,796,442.32
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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.