Finding the Fourth Proportional to 1,653,869.88, 2,479,230.12 and 531,151.56
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Solution
The fourth proportional to 1,653,869.88, 2,479,230.12 and 531,151.56 is: 796,221.61
Step by Step Solution
- Step 1: Write the proportion equation
1,653,869.88 : 2,479,230.12 = 531,151.56 : x - Step 2: Convert to fraction form
1,653,869.88/2,479,230.12 = 531,151.56/x - Step 3: Cross multiply
1,653,869.88x = 2,479,230.12 × 531,151.56 - Step 4: Simplify right side
1,653,869.88x = 1,316,846,945,836.99 - Step 5: Solve for x
x = 1,316,846,945,836.99/1,653,869.88 - Step 6: Final answer
x = 796,221.61
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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.