Finding the Fourth Proportional to 1,925,275.68, 2,876,212.62 and 1,245,821.76
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Solution
The fourth proportional to 1,925,275.68, 2,876,212.62 and 1,245,821.76 is: 1,861,161.13
Step by Step Solution
- Step 1: Write the proportion equation
1,925,275.68 : 2,876,212.62 = 1,245,821.76 : x - Step 2: Convert to fraction form
1,925,275.68/2,876,212.62 = 1,245,821.76/x - Step 3: Cross multiply
1,925,275.68x = 2,876,212.62 × 1,245,821.76 - Step 4: Simplify right side
1,925,275.68x = 3,583,248,268,382.61 - Step 5: Solve for x
x = 3,583,248,268,382.61/1,925,275.68 - Step 6: Final answer
x = 1,861,161.13
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.