Finding the Fourth Proportional to 1,516,260.08, 2,091,561.74 and 979,716.08
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Solution
The fourth proportional to 1,516,260.08, 2,091,561.74 and 979,716.08 is: 1,351,441.42
Step by Step Solution
- Step 1: Write the proportion equation
1,516,260.08 : 2,091,561.74 = 979,716.08 : x - Step 2: Convert to fraction form
1,516,260.08/2,091,561.74 = 979,716.08/x - Step 3: Cross multiply
1,516,260.08x = 2,091,561.74 × 979,716.08 - Step 4: Simplify right side
1,516,260.08x = 2,049,136,668,990.78 - Step 5: Solve for x
x = 2,049,136,668,990.78/1,516,260.08 - Step 6: Final answer
x = 1,351,441.42
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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.