Finding the Fourth Proportional to 3,579,228.68, 4,939,336.14 and 1,969,596.68
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Solution
The fourth proportional to 3,579,228.68, 4,939,336.14 and 1,969,596.68 is: 2,718,043.73
Step by Step Solution
- Step 1: Write the proportion equation
3,579,228.68 : 4,939,336.14 = 1,969,596.68 : x - Step 2: Convert to fraction form
3,579,228.68/4,939,336.14 = 1,969,596.68/x - Step 3: Cross multiply
3,579,228.68x = 4,939,336.14 × 1,969,596.68 - Step 4: Simplify right side
3,579,228.68x = 9,728,500,062,748.01 - Step 5: Solve for x
x = 9,728,500,062,748.01/3,579,228.68 - Step 6: Final answer
x = 2,718,043.73
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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.